I’m guessing that this is the “errors” follow-on to [2.0.3.5] Always warnings, but what is the warning? topic, so similar suggestions apply about checking the other logs. Please post any findings and any popup messages.
2 Backup warnings - what is the problem? gives some background links, possible futures, and above request.
Errors and Warnings not showing in job logs shows where looking at the global log did in fact show the cause.
“Data Error” Show button goes to wrong log is the less-than-ideal way things currently stand for multiple logs.
Duplicati announcing warnings when there are none ends with a note on the multiple logs issue, however the focus since the big 2.0.3.6 rewrite has likely been fixes of Critical issues with the current canary which seems to be coming along quite well. 2.0.3.11 users can enjoy fewer problems, but probably other fixes got delayed.
I’d expect any major redesign of the logs area would be announced at: