I try many ways to solve that issue, I restart my pc, uninstall the Mendeley references manager then install again, but the same problem still appears, so please if anyone knows how to solve that issue type the solution that could help me.
Seems to me like a reoccurring issue: Here is a temporal fix to this issue: https://techdirectarchive.com/2023/08/19/mendeley-cite-ecite40001-error-fix-issue-using-on-microsoft-word-desktop-application/
Other concerns here: https://answers.microsoft.com/en-us/msoffice/forum/all/word-mendeley-cite-add-in-error/c61e03a3-804e-4635-95d2-db4e322d8760