Usually this error message is generated by an installed javascript extension that uses the DocumentChange functions, which allow to modify the accounting files, adding or modifying new rows and columns.
Check that the extension is up-to-date or that it does not contain errors. See API Document Change.
This feature only available using the Advanced plan of Banana Accounting Plus, and it is not accessible with the Free or the Professional Plan.
When creating a New Year, holidays may differ from the previous year - you need to check and change them manually. Refer to the Commands Productivity page for further information.
Alternatively, Banana.ch SA each year makes available several templates with national holidays already set for some countries.
The file you are trying to open is not located on the searched drive. It is possible that the file has been moved, renamed, or deleted.
You are receiving this message because Banana cannot locate the file in the path where it was last saved.
See the explanations on the page: https://www.banana.ch/doc/en/systemmsg_en_err_filenontrovato
This message appears when the user registers with their email and the program receives subscription information that is not encoded correctly.
The response given from the server has the wrong signature and the software can not trust this response.