The log ends with node: command not found so it's probably not working because NodeJS isn't installed or installed correctly:
/share/CACHEDEV1_DATA/.qpkg/filebot-node/start: line 26: node: command not found

Please read this for some general debugging help:
https://www.filebot.net/forums ...

Hello，I'm having an issue executing Filebot Node on My QNAP 453Bmini
I have installed Filebot Node, Filebot Java 8 form filebot repo, and activated . But when i execute the node, it shows a error message below

Service Unavailable
The server is temporarily unable to service your request due to ...