I have had this a few times recently, each update returns same.
Have to reset project to fix.
Below extract from log with debug on.
Mon 29 Sep 2025 09:56:02 BST | WUProp@Home | update requested by user
Mon 29 Sep 2025 09:56:02 BST | | [http] HTTP_OP::init_get(): https://wuprop.boinc-af.org/notices.py?userid=8383&auth=8383_3657b8925ba42462601b21fd2184177d
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | Sending scheduler request: Requested by user.
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | Reporting 1 completed tasks
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | Requesting new tasks for CPU
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] HTTP_OP::init_post(): https://wuprop.boinc-af.org/wuproj_cgi/cgi
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Hostname in DNS cache was stale, zapped
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Found bundle for host: 0x5e0301eb83e0 [serially]
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Server doesn't support multiplex (yet)
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Host wuprop.boinc-af.org:443 was resolved.
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: IPv6: (none)
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: IPv4: 51.178.133.229
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Trying 51.178.133.229:443...
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Hostname 'wuprop.boinc-af.org' was found in DNS cache
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Trying 51.178.133.229:443...
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Connected to wuprop.boinc-af.org (51.178.133.229) port 443
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: ALPN: curl offers h2,http/1.1
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (OUT), TLS handshake, Client hello (1):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: CAfile: ca-bundle.crt
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: CApath: /etc/ssl/certs
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Connected to wuprop.boinc-af.org (51.178.133.229) port 443
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: ALPN: curl offers h2,http/1.1
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (OUT), TLS handshake, Client hello (1):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: CAfile: ca-bundle.crt
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: CApath: /etc/ssl/certs
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS handshake, Server hello (2):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS handshake, Certificate (11):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS handshake, CERT verify (15):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS handshake, Finished (20):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (OUT), TLS handshake, Finished (20):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 / X25519 / id-ecPublicKey
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: ALPN: server accepted http/1.1
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Server certificate:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: subject: CN=wuprop.boinc-af.org
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: start date: Aug 6 15:41:11 2025 GMT
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: expire date: Nov 4 15:41:10 2025 GMT
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: subjectAltName: host "wuprop.boinc-af.org" matched cert's "wuprop.boinc-af.org"
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: issuer: C=US; O=Let's Encrypt; CN=E5
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: SSL certificate verify ok.
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Certificate level 0: Public key type EC/prime256v1 (256/128 Bits/secBits), signed using ecdsa-with-SHA384
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Certificate level 1: Public key type EC/secp384r1 (384/192 Bits/secBits), signed using sha256WithRSAEncryption
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha256WithRSAEncryption
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: using HTTP/1.x
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server: GET /notices.py?userid=8383&auth=8383_3657b8925ba42462601b21fd2184177d HTTP/1.1
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server: Host: wuprop.boinc-af.org
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server: User-Agent: BOINC client (x86_64-pc-linux-gnu 8.2.5)
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server: Accept: */*
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server: Accept-Encoding: deflate, gzip, br, zstd
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server: Accept-Language: en_GB
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS handshake, Server hello (2):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS handshake, Certificate (11):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS handshake, CERT verify (15):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS handshake, Finished (20):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (OUT), TLS handshake, Finished (20):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: SSL connection using TLSv1.3 / TLS_AES_256_GCM_SHA384 / X25519 / id-ecPublicKey
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: ALPN: server accepted http/1.1
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Server certificate:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: subject: CN=wuprop.boinc-af.org
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: start date: Aug 6 15:41:11 2025 GMT
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: expire date: Nov 4 15:41:10 2025 GMT
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: subjectAltName: host "wuprop.boinc-af.org" matched cert's "wuprop.boinc-af.org"
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: issuer: C=US; O=Let's Encrypt; CN=E5
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: SSL certificate verify ok.
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Certificate level 0: Public key type EC/prime256v1 (256/128 Bits/secBits), signed using ecdsa-with-SHA384
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Certificate level 1: Public key type EC/secp384r1 (384/192 Bits/secBits), signed using sha256WithRSAEncryption
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Certificate level 2: Public key type RSA (4096/152 Bits/secBits), signed using sha256WithRSAEncryption
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: using HTTP/1.x
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: POST /wuproj_cgi/cgi HTTP/1.1
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: Host: wuprop.boinc-af.org
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: User-Agent: BOINC client (x86_64-pc-linux-gnu 8.2.5)
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: Accept: */*
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: Accept-Encoding: deflate, gzip, br, zstd
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: Accept-Language: en_GB
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: Content-type: text/xml
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server: Content-Length: 8193
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Sent header to server:
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: We are completely uploaded and fine
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: old SSL session ID is stale, removing
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Received header from server: HTTP/1.1 404 Not Found
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Received header from server: Date: Mon, 29 Sep 2025 08:56:03 GMT
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Received header from server: Server: Apache/2.4.65 (Debian)
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Received header from server: Content-Length: 282
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Received header from server: Connection: close
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Received header from server: Content-Type: text/html; charset=iso-8859-1
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Received header from server:
Mon 29 Sep 2025 09:56:03 BST | | [http_xfer] [ID#0] HTTP: wrote 282 bytes
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: Closing connection
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (IN), TLS alert, close notify (256):
Mon 29 Sep 2025 09:56:03 BST | | [http] [ID#0] Info: TLSv1.3 (OUT), TLS alert, close notify (256):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS handshake, Newsession Ticket (4):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: old SSL session ID is stale, removing
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (IN), TLS alert, close notify (256):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Empty reply from server
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: Closing connection
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] [ID#1] Info: TLSv1.3 (OUT), TLS alert, close notify (256):
Mon 29 Sep 2025 09:56:03 BST | WUProp@Home | [http] HTTP error: Server returned nothing (no headers, no data)
Mon 29 Sep 2025 09:56:04 BST | | Project communication failed: attempting access to reference site

---

Paul.

Doing a web search on the error message "HTTP error: Server returned nothing (no headers, no data)" and the top 2 results are linked below.
https://stackoverflow.com/questions/70840617/server-returned-nothing-no-headers-no-data-when-attaching-socket-io
and
https://github.com/Kong/insomnia/issues/7350

The 2nd link from GitHub for something called insomnia has several people who reported various possible things could cause the problem but it's not anything for us users to try.