ERROR:Module not found:cgi-bin

Hello, i’ve just updated mi veralite to UI7, and i have some troubles using the PLEG plug-ing.
I’m using 4 PLEG and i’m registered.

For now, it seems that the core doesn’t work/load ?!
I can’t access the “status” of each PLEG : sometimes the pop-up shows an error message : “ERROR:Module not found:cgi-bin”, sometimes it’s just a blank page.

I supposed the firmware update did something wrong. So i deleted the plug-ins and the Core, and redownloaded it from the App Store. I run the 7.27 version.

Hope you can help me.

You must upgrade the PLEG/PLC/PLTS plugins when you change UI versions (upgrade or downgrade) even if you are at the latest version.
The install process selects Version specific files.