Message type: E = Error
Message class:  MPE_AHF_MSG - Message Class - Action Hook Framework 
Message number: 029
Message text: ObjType/action/process point &1: sequence no &2 does not exist
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The SAP error message MPE_AHF_MSG029 indicates that there is an issue related to a specific object type, action, or process point in the system. The message states that the sequence number specified does not exist. This error typically arises in the context of the SAP Advanced Planning and Optimization (APO) module or similar applications where process points and sequences are used for planning and execution.
Cause: Non-Existent Sequence Number: The sequence number referenced in the error message does not exist in the system. This could be due to: Incorrect configuration or data entry. Deletion of the sequence number or related objects. A mismatch between the expected and actual data in the system. Data Inconsistency: There may be inconsistencies in the master data or transactional data that lead to the system being unable to find the specified sequence. Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the object or sequence, leading to this
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