SharePoint access token error

Hi @rurikookuno ,

welcome to the Docentric community!

Our first suggestion would be to upgrade to the latest version of Docentric, v3.4.9.1.

If the problem still persists, please check the latest post on this subject:

Important information about Docentric Extended SharePoint Security on D365FO versions 10.0.42+ - Docentric Forum

Please let us know how it goes.