Can not export a big board with the CSV format function of Wekan Error msg = "Couldn't download - Network issue"

Server Setup Information

• Did you test in newest Wekan?: no - 7.38
• Did you configure root-url correctly so Wekan cards open correctly (see https://github.com/wekan/wekan/wiki/Settings)? yes
• Operating System:
• Deployment Method (Snap/Docker/Sandstorm/bundle/source): docker (kubernetes/openshift)
• Http frontend if any (Caddy, Nginx, Apache, see config examples from Wekan GitHub wiki first):
• Node.js Version:
• MongoDB Version:
• What webbrowser version are you using (Wekan should work on all modern browsers that support Javascript)?

Problem description

We have a big group board running and want export the board information into a CSV file.
The download of the file will prepared and ends with "Couldn't download - Network issue".

We replicate the use case and find the following entries in the application log.

Logs

`
enabled and start APM
76no original function rewind to wrap
77

{"log.level":"info","@timestamp":"2024-12-05T08:31:33.900Z","log.logger":"elastic-apm-node","ecs.version":"8.10.0","message":"meteor-elastic-apm completed instrumenting"}
78

{"line":"87","file":"percolate_synced-cron.js","message":"SyncedCron: Scheduled "notification_cleanup" next run @thu Dec 05 2024 08:31:34 GMT+0000 (Coordinated Universal Time)","time":{"$date":1733387494660}
,"level":"info"}
79(node:8) UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'title' of undefined
80at models/exporter.js:277:60
81at Array.forEach ()
82at Exporter.buildCsv (models/exporter.js:272:18)
83at models/export.js:200:26
84at doCall (packages/communitypackages:picker/lib/implementation.js:118:14)
85at PickerImp._processRoute (packages/communitypackages:picker/lib/implementation.js:112:5)
86at packages/communitypackages:picker/lib/implementation.js:79:16
87at processNextMiddleware (packages/communitypackages:picker/lib/implementation.js:65:7)
88at processNextRoute (packages/communitypackages:picker/lib/implementation.js:75:9)
89at PickerImp._dispatch (packages/communitypackages:picker/lib/implementation.js:97:3)
90at packages/communitypackages:picker/lib/instance.js:6:10
91at /build/programs/server/npm/node_modules/meteor/promise/node_modules/meteor-promise/fiber_pool.js:43:40
92(Use node --trace-warnings ... to show where the warning was created)
93(node:8) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 8)
94(node:8) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
`