I can't add any extensions

[ARIEL_CALEBE]

Any extension I add shows these errors. What to do?

[TIMAI2]

@ARIEL_CALEBE

Any extension I add

How are you running your aia project? Companion ? via wifi, via usb ? Emulator?

Have you refreshed your companion app & aia project after loading the extension ?

[ARIEL_CALEBE]

@TIMAI2

Companion

I am using the connection via Companion and USB, both give the same error. This error has been appearing for about 3 days, before I used it normally. My AI2 Companion version is 2.68.

[ARIEL_CALEBE]

Yes i refreshed

[TIMAI2]

There is a bug when using USB

Error when using Taifun Tools and USB Connection

It looks like the no such class error after importing an extension more frequently (?) appears while being connected via USB... See also Search results for 'Import extension usb' - MIT App Inventor Community @ewpatton probably it makes sense to investigate, why this happens? My general advice usually is How to avoid runtime errors with the companion app After importing an extension, please restart the companion app. If you like to use an extension on a different screen, in Screen1 additio…

[ARIEL_CALEBE]

Thank you very much, now it works

[ewpatton]

Note that the extensions over USB bug will be fixed in the next release (nb195).