Error: Access denied to method TRANSFER of class LedgerPostingGeneralJournalController in Ax 2012

This is due to the permission to the class specified in the error. Navigate to the role, choose the privilege (transfer order) click "Override Permissions" at the header, click "Add Server Methods" and search for the class "LedgerPostingGeneralJournalController" click "filter", choose the search result and add.