Created attachment 181490 [details]
A Screenshot Of What I See In firefox-138.0.3-1.fc42.x86_64

At https://collaborate.kde.org/, I see: [^1]

> ~~~txt
> Internal Server Error
> 
> The server encountered an internal error and was unable to complete your request.
> Please contact the server administrator if this error reappears multiple times, please include the technical details below in your report.
> More details can be found in the server log.
> ~~~

In FF's ECMAScript console, I see:

> ~~~log
> GET
> https://collaborate.kde.org/
> [HTTP/2 500  190ms]
> 
> GET
> https://collaborate.kde.org/favicon.ico
> [HTTP/2 500  0ms]
> ~~~

In its Network log, I see the undermentioned HAR:

> ~~~JSON
> {
>   "log": {
>     "version": "1.2",
>     "creator": {
>       "name": "Firefox",
>       "version": "138.0.3"
>     },
>     "browser": {
>       "name": "Firefox",
>       "version": "138.0.3"
>     },
>     "pages": [
>       {
>         "id": "page_1",
>         "pageTimings": {
>           "onContentLoad": 125,
>           "onLoad": 126
>         },
>         "startedDateTime": "2025-05-19T09:26:42.917+01:00",
>         "title": "https://collaborate.kde.org/"
>       }
>     ],
>     "entries": [
>       {
>         "startedDateTime": "2025-05-19T09:26:42.917+01:00",
>         "request": {
>           "bodySize": 0,
>           "method": "GET",
>           "url": "https://collaborate.kde.org/",
>           "httpVersion": "HTTP/2",
>           "headers": [
>             {
>               "name": "Host",
>               "value": "collaborate.kde.org"
>             },
>             {
>               "name": "User-Agent",
>               "value": "Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0"
>             },
>             {
>               "name": "Accept",
>               "value": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"
>             },
>             {
>               "name": "Accept-Language",
>               "value": "en-GB,en;q=0.5"
>             },
>             {
>               "name": "Accept-Encoding",
>               "value": "gzip, deflate, br, zstd"
>             },
>             {
>               "name": "Connection",
>               "value": "keep-alive"
>             },
>             {
>               "name": "Upgrade-Insecure-Requests",
>               "value": "1"
>             },
>             {
>               "name": "Sec-Fetch-Dest",
>               "value": "document"
>             },
>             {
>               "name": "Sec-Fetch-Mode",
>               "value": "navigate"
>             },
>             {
>               "name": "Sec-Fetch-Site",
>               "value": "cross-site"
>             },
>             {
>               "name": "Priority",
>               "value": "u=0, i"
>             }
>           ],
>           "cookies": [],
>           "queryString": [],
>           "headersSize": 429
>         },
>         "response": {
>           "status": 500,
>           "statusText": "",
>           "httpVersion": "HTTP/2",
>           "headers": [
>             {
>               "name": "strict-transport-security",
>               "value": "max-age=15768000"
>             },
>             {
>               "name": "referrer-policy",
>               "value": "no-referrer"
>             },
>             {
>               "name": "x-xss-protection",
>               "value": "1; mode=block"
>             },
>             {
>               "name": "x-content-type-options",
>               "value": "nosniff"
>             },
>             {
>               "name": "x-frame-options",
>               "value": "SAMEORIGIN"
>             },
>             {
>               "name": "permissions-policy",
>               "value": "interest-cohort=()"
>             },
>             {
>               "name": "x-permitted-cross-domain-policies",
>               "value": "none"
>             },
>             {
>               "name": "x-robots-tag",
>               "value": "noindex, nofollow"
>             },
>             {
>               "name": "content-type",
>               "value": "text/plain; charset=utf-8"
>             },
>             {
>               "name": "date",
>               "value": "Mon, 19 May 2025 08:26:43 GMT"
>             },
>             {
>               "name": "server",
>               "value": "Apache/2.4.41 (Ubuntu)"
>             },
>             {
>               "name": "X-Firefox-Spdy",
>               "value": "h2"
>             }
>           ],
>           "cookies": [],
>           "content": {
>             "mimeType": "text/plain; charset=utf-8",
>             "size": 289,
>             "text": "Internal Server Error\n\nThe server encountered an internal error and was unable to complete your request.\nPlease contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\nMore details can be found in the server log.\n"
>           },
>           "redirectURL": "",
>           "headersSize": 429,
>           "bodySize": 718
>         },
>         "cache": {},
>         "timings": {
>           "blocked": 74,
>           "dns": 0,
>           "connect": 35,
>           "ssl": 39,
>           "send": 0,
>           "wait": 42,
>           "receive": 0
>         },
>         "time": 190,
>         "_securityState": "secure",
>         "serverIPAddress": "168.119.32.175",
>         "connection": "443",
>         "pageref": "page_1"
>       },
>       {
>         "startedDateTime": "2025-05-19T09:26:43.044+01:00",
>         "request": {
>           "bodySize": 0,
>           "method": "GET",
>           "url": "https://collaborate.kde.org/favicon.ico",
>           "httpVersion": "HTTP/2",
>           "headers": [
>             {
>               "name": "Host",
>               "value": "collaborate.kde.org"
>             },
>             {
>               "name": "User-Agent",
>               "value": "Mozilla/5.0 (X11; Linux x86_64; rv:138.0) Gecko/20100101 Firefox/138.0"
>             },
>             {
>               "name": "Accept",
>               "value": "image/avif,image/webp,image/png,image/svg+xml,image/*;q=0.8,*/*;q=0.5"
>             },
>             {
>               "name": "Accept-Language",
>               "value": "en-GB,en;q=0.5"
>             },
>             {
>               "name": "Accept-Encoding",
>               "value": "gzip, deflate, br, zstd"
>             },
>             {
>               "name": "Connection",
>               "value": "keep-alive"
>             },
>             {
>               "name": "Sec-Fetch-Dest",
>               "value": "image"
>             },
>             {
>               "name": "Sec-Fetch-Mode",
>               "value": "no-cors"
>             },
>             {
>               "name": "Sec-Fetch-Site",
>               "value": "same-origin"
>             }
>           ],
>           "cookies": [],
>           "queryString": [],
>           "headersSize": 0
>         },
>         "response": {
>           "status": 500,
>           "statusText": "",
>           "httpVersion": "HTTP/2",
>           "headers": [
>             {
>               "name": "strict-transport-security",
>               "value": "max-age=15768000"
>             },
>             {
>               "name": "referrer-policy",
>               "value": "no-referrer"
>             },
>             {
>               "name": "x-xss-protection",
>               "value": "1; mode=block"
>             },
>             {
>               "name": "x-content-type-options",
>               "value": "nosniff"
>             },
>             {
>               "name": "x-frame-options",
>               "value": "SAMEORIGIN"
>             },
>             {
>               "name": "permissions-policy",
>               "value": "interest-cohort=()"
>             },
>             {
>               "name": "x-permitted-cross-domain-policies",
>               "value": "none"
>             },
>             {
>               "name": "x-robots-tag",
>               "value": "noindex, nofollow"
>             },
>             {
>               "name": "content-type",
>               "value": "text/plain; charset=utf-8"
>             },
>             {
>               "name": "date",
>               "value": "Mon, 19 May 2025 08:26:27 GMT"
>             },
>             {
>               "name": "server",
>               "value": "Apache/2.4.41 (Ubuntu)"
>             },
>             {
>               "name": "X-Firefox-Spdy",
>               "value": "h2"
>             }
>           ],
>           "cookies": [],
>           "content": {
>             "mimeType": "text/plain; charset=utf-8",
>             "size": 289,
>             "text": "Internal Server Error\n\nThe server encountered an internal error and was unable to complete your request.\nPlease contact the server administrator if this error reappears multiple times, please include the technical details below in your report.\nMore details can be found in the server log.\n"
>           },
>           "redirectURL": "",
>           "headersSize": 0,
>           "bodySize": 289
>         },
>         "cache": {},
>         "timings": {
>           "blocked": 0,
>           "dns": 0,
>           "ssl": 0,
>           "connect": 0,
>           "send": 0,
>           "wait": 0,
>           "receive": 0
>         },
>         "time": 0,
>         "_securityState": "secure",
>         "pageref": "page_1"
>       }
>     ]
>   }
> }
> ~~~

[^1]: view-source:https://collaborate.kde.org/#:~:text=Internal%20Server%20Error,found%20in%20the%20server%20log.