How To Fix MD_SUBSTN049 - Each record of a set must have the same starting node

SAP Error Message - Details

• Message type: E = Error

• Message class: MD_SUBSTN - Messages for Master Data Substitution

• Message number: 049

• Message text: Each record of a set must have the same starting node

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MD_SUBSTN049 - Each record of a set must have the same starting node ?

  The SAP error message MD_SUBSTN049 indicates that there is an issue with the structure of the data being processed in a specific transaction or function related to master data, particularly in the context of material master data or similar structures. The error message states that "Each record of a set must have the same starting node," which typically means that the data being processed is not consistent in terms of its hierarchical structure.
  Cause:
  
  Inconsistent Data Structure: The records being processed may have different starting nodes or hierarchical levels, which is not allowed. This can happen if the data is being imported or manipulated in a way that does not maintain a consistent structure.
  Incorrect Data Mapping: If you are using a data import tool or interface, the mapping of fields may not be correctly aligned, leading to discrepancies in the expected structure.
  Corrupted Data: There may be corrupted or malformed data entries that do not conform to the expected format.
  
  Solution:
  
  Check Data Consistency: Review the data being processed to ensure that all records have the same starting node and hierarchical structure. This may involve checking the source data for inconsistencies.
  Validate Data Mapping: If you are using a data import tool, verify that the mapping of fields is correct and that all records are being processed in a consistent manner.
  Use Data Validation Tools: Utilize any available data validation tools within SAP to check for inconsistencies or errors in the data structure before processing.
  Correct Data Entries: If you identify specific records that are causing the issue, correct or remove them as necessary to ensure that all records conform to the expected structure.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the data structure required for the transaction or function you are using.
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may be working with transaction codes related to material master data (e.g., MM01, MM02) or other master data management transactions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Support Forums: Consider reaching out to SAP support or community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify and resolve the issue causing the MD_SUBSTN049 error message in SAP.