SAP Message B1133 - IDoc type has not been entered for message type &

Diagnosis You have probably maintained a message type using a transaction.However, you have not maintained an IDOC type corresponding to themessage type. The result is that there is now a message type without acorresponding IDOC type. Procedure You can use a transaction to maintain an IDOC type for the messagetype, or use a transaction to delete the message type. It is better to create message types and IDOC types in a program only.