Problen in server -

Hola, el servidor en los últimos días me está sacando permanentemente error de que no puede grabar.

Hi

That could be because your Project is too large? The limit is 10Mb. If you are using images, ensure they are optimised for Android (and thus optimised for App Inventor.

Or perhaps you have too many Screens? The Screen limit is 10.

On my Website:
https://www.professorcad.co.uk/appinventortips#TipsImages

Also, a list of tips, one or two of which might affect saving a Project:
https://www.professorcad.co.uk/appinventortips#TipsApk