How To Fix DMU031 - Error during insert of table &: of & records only & were posted

SAP Error Message - Details

• Message type: E = Error

• Message class: DMU - Digital Mock Up (DMU)

• Message number: 031

• Message text: Error during insert of table &: of & records only & were posted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMU031 - Error during insert of table &: of & records only & were posted ?

  The SAP error message DMU031 typically occurs during data migration or data upload processes, particularly when using tools like the Data Migration Workbench (DMW) or similar data upload utilities. This error indicates that there was an issue inserting records into a specified table, and it provides information about how many records were attempted to be posted versus how many were successfully inserted.
  Cause:
  The error message DMU031 can be caused by several factors, including:
  
  
  Data Validation Issues: The records being inserted may not meet the validation rules defined for the target table. This could include data type mismatches, missing mandatory fields, or values that violate constraints (e.g., foreign key constraints).
  
  
  Duplicate Records: If the records being inserted contain duplicates that violate unique constraints in the target table, the insertion will fail for those records.
  
  
  Authorization Issues: The user performing the data upload may not have the necessary authorizations to insert records into the specified table.
  
  
  Technical Issues: There may be technical issues such as database locks, connectivity problems, or issues with the underlying database.
  
  
  Incorrect Mapping: If the mapping of fields from the source data to the target table is incorrect, it can lead to errors during the insert process.
  
  
  Solution:
  To resolve the DMU031 error, you can take the following steps:
  
  
  Check the Error Log: Review the detailed error log or messages provided by the data upload tool. This log often contains specific information about which records failed and why.
  
  
  Validate Data: Ensure that the data being uploaded meets all validation rules for the target table. Check for:
  
  Data types
  Mandatory fields
  Unique constraints
  Foreign key relationships
  
  
  
  Remove Duplicates: If duplicates are causing the issue, clean the source data to remove any duplicate records before attempting the upload again.
  
  
  Check Authorizations: Ensure that the user performing the upload has the necessary authorizations to insert records into the target table.
  
  
  Test with a Subset: If possible, test the upload with a smaller subset of data to identify specific records that may be causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the data upload tool you are using.
  
  
  Database Checks: If you suspect technical issues, check the database for locks or connectivity issues. You may need to consult your database administrator.
  
  
  Adjust Mapping: If there are mapping issues, review and adjust the mapping of fields from the source data to the target table.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DMU031 error.
  Data Migration Workbench (DMW): Familiarize yourself with the DMW and its functionalities, as it may provide additional tools for troubleshooting.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the DMU031 error and implement a solution to successfully insert the records into the target table.