Message:

An unexpected error occurred.

Unable to translate Unicode character \u2013 at index 2891 to
specified code page .

Click Retry to continue or Cancel to terminate the application.

When attempting to save/edit and AutoText or save/draft/correct/sign a report, you get the following error:

This implies that there is an invalid character that has been copied and pasted into the report/AutoText.

Identify the offending character (by Googling the unicode character - \uXXXX from the message) and removing it from the offending report/template.