If your function app is using older JS model and older Node version (e.g., 20), try to use func tool first to stream the logs:
func azure functionapp logstream thefuncapp
Retrieving Function App...
2026-05-17T13:07:01 Welcome, you are now connected to log-streaming service. The default timeout is 2 hours. Change the timeout with the App Setting SCM_LOGSTREAM_TIMEOUT (in seconds).
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:05 PM [[4.8]] [10-30-10-123] DaasRunner.exe with version 4.8.40625.1 and ProcessId=6184 started
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] Checking DaaS bits and updating if required
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] [daasrunner.exe] Current version : 4.8.40625.1 is lower than version in DaaS installation path : 4.9.14126.1, new bits will be copied
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] Copying file daasrunner.exe from C:\Program Files (x86)\SiteExtensions\DaaS\4.9.14126.1\bin\daasrunner.exe to C:\home\site\Jobs\Continuous\DaaS\DaasRunner.exe
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] File daasrunner.exe copied successfully
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] Copying file daasrunner.exe.config from C:\Program Files (x86)\SiteExtensions\DaaS\4.9.14126.1\bin\daasrunner.exe.config to C:\home\site\Jobs\Continuous\DaaS\DaasRunner.exe.config
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] File daasrunner.exe.config copied successfully
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] [daasconsole.exe] Current version : 4.8.40625.1 is lower than version in DaaS installation path : 4.9.14126.1, new bits will be copied
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] Copying file daasconsole.exe from C:\Program Files (x86)\SiteExtensions\DaaS\4.9.14126.1\bin\daasconsole.exe to C:\home\data\DaaS\bin\DaasConsole.exe
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] File daasconsole.exe copied successfully
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] Copying file daasconsole.exe.config from C:\Program Files (x86)\SiteExtensions\DaaS\4.9.14126.1\bin\daasconsole.exe.config to C:\home\data\DaaS\bin\DaasConsole.exe.config
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] File daasconsole.exe.config copied successfully
2026-05-17T13:07:06 PID[6184] Information 5/17/2026 1:07:06 PM [[4.8]] [10-30-10-123] Done checking DaaS bits for any new updates