User is unable to personalize list columnsIssue Users are not able to personalize columns from list even when there is no ACL. ReleaseAll releasesCauseThere can be an after insert business rule which can cause the issue. To confirm, you can go to transaction logs in the instance and if you find an error in the logs like: action aborted due to business rule then it is this reason otherwise something else.ResolutionTurning the business rule off will resolve the issue or it can be modified as necessary.