When the user submits a Travel Requisition for a workflow approval, using an expense category without a setting a Main Account, the workflow returns the following error: “Stopped (error): The state of the source document or source document line could not be updated. One or more accounting distribution is missing a ledger account or contains a ledger account that is not valid. Use the Accounting distribution form or the Posting profile to update the ledger account. ” For the user to avoid having this error it would be good to have a warning, before the TR is submitted for approval, that the expense category main account is missing.