hi @zemerson,
About the First error:
Can you share a bit more about your app’s configuration?
Do this issue show up only when editing an existing item within your app?
I have made a test on my side and don’t have the issue that you mentioned.
Please try to remove data source and reconnect it.
Please check if you have modified some columns of your SP list on your side
Please try to recreate an app based on your SP list , and then try it again to check if the issue still exists. if the
Issue still exists, please take a try to recreate your SP list and create a new app, check if the issue is solved.
In addition , if you want to modify an existing item in your SP list, I think the patch function could also achieve your needs. more
Details about patch function in powerapps, please check the following article:
https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/functions/function-patch
About the Second error:
Can you share a bit more about your app size?
If you have too many version or your app is too large,the error will be displayed.
please refer as:
https://powerusers.microsoft.com/t5/General-Discussion/Cannot-restore-app-version-because-it-will-not-load-my-previous/td-p/44606
please check with account that you have full access in admin account
Please check if you are in the tenant .if not, try with another O365 tenant
Please check the current Environment that you want to restore.
please refer as
https://docs.microsoft.com/en-us/powerapps/administrator/environments-administration
regards,
eason
