Summary
Error
CreateExceptionFromWebException, the following exception code: Forbidden was not found in the repository please register it, the error was Token invalid! Please re-authenticate.
An exception occured on the REST server:System.Exception: exception code: Forbidden , the error was Token invalid! Please re-authenticate.
An exception occured on the REST server:The remote server returned an error: (403) Forbidden.
Ping timer stopped.
Session timeout timer stopped.
Cause
Cached data appears to cause an issue
Fix
1) Confirm the version of office used is supported by the Excel Addin v15.0.1 Patch01
2) Install the Excel Addin v15.0.1 Patch 1 or later
ExcelSetupx64_15.0.1_Patch01.exe
ExcelSetupx86_15.0.1_Patch01.exe
3) Before to logging into ALM via the Excel launce Internet Explorer
4) Click Tools>Internet Options
5) Click the General Tab>Settings>View Files
6) Delete all the files contains in the folder
7) Close the folder
8) Click on OK, then Apply
9) Launch Excel and login to ALM, it should succeed