Please use the Check Database function, then sync again. If problems persist, please force a full sync in the preferences screen.

[LeonardoLorandi]

Hello
can anyone help me with this error.
When I try to sync this message appears.
I have done what she asks, but the problem is not resolved.
appreciate

[dae]

After using Check Database, did you force a one way sync, choose “Upload”, and then sync any other devices, choosing “Download”? If not, please try that.

[LeonardoLorandi]

Thank you!! Its alread working