Advanced Products Import [Beta] Problem


Does something happened to Advanced Products Import addon? after installing 4.10x version i get Service unavailable

After restoring backup it works fine.

I checked file changes directory and there are some changes :

and init.php

i cleared cache and reinstall addon again but get service unavailable again.

I even tryied to compare some of the files with older backuped version but there seem to be the same (if notepad++ is correct)

there was no work on those files so the change must have been done by upgrade.

But as i can see this addon is compatible with 4.10x

anyone knows what can be the problem and how to eventually fix it?

Thank you,