Salesforce Exception You can’t perform this action. Be sure the action is valid for the current state of the article, and that you have permission to perform it.
1. Check the profile permissions for the user. 2. Issue may be due to the Picklist field value or if the record is locked due to Approval Process.https://help.salesforce.com/articleView?id=000314555&type=1&mode=1 3. Check ....