Undefined Variable 500 Error

I appreciate your interest and response. thank you.

but as in the video.

If ci3 log is activated, it logs regardless of the environment.

but if I do the error_logs(0) you told me, even if ci4 log is on. Even if the log level is 9, it does not log.


[Video: https://www.youtube.com/watch?v=eoKgtHeXohM]