How To Fix RS_B4HPREP127 - There are &1 records in the error stack of DTP &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RS_B4HPREP - B4H Transfer Preparation Messages

• Message number: 127

• Message text: There are &1 records in the error stack of DTP &2

What causes this issue?

There are records in the error stack of the named DTP. The error stack
must be empty when the transfer is performed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Either execute the corresponding error DTP (if there is none, you can
easily generate one) or delete the records from the error stack.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RS_B4HPREP127 - There are &1 records in the error stack of DTP &2 ?

  The SAP error message RS_B4HPREP127 indicates that there are records in the error stack of a Data Transfer Process (DTP) that have not been successfully processed. This error typically occurs during data extraction or loading processes in SAP BW (Business Warehouse) when the DTP encounters issues with certain records.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Data Quality Issues: The records in the error stack may contain invalid or inconsistent data that does not meet the requirements of the target data model.
  Mapping Errors: There may be issues with the transformation rules or mappings defined in the DTP that prevent certain records from being processed correctly.
  Technical Issues: There could be technical problems such as missing master data, incorrect data types, or issues with the source system.
  Authorization Issues: The user executing the DTP may not have the necessary authorizations to access certain data.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check the Error Stack: 
  
  Go to the DTP monitor (transaction code: RSMO) and check the error stack for details about the records that failed. This will provide insights into why the records were not processed.
  
  
  
  Analyze the Error Messages: 
  
  Review the specific error messages associated with the records in the error stack. This can help identify data quality issues or mapping errors.
  
  
  
  Correct Data Issues: 
  
  If the error is due to data quality, correct the problematic records in the source system or in the data warehouse.
  
  
  
  Review Transformation Rules: 
  
  Check the transformation rules associated with the DTP to ensure that they are correctly defined and that all necessary mappings are in place.
  
  
  
  Check Master Data: 
  
  Ensure that all required master data is available and correctly maintained in the system.
  
  
  
  Re-run the DTP: 
  
  After addressing the issues, re-run the DTP to see if the records are processed successfully.
  
  
  
  Monitor for Future Errors: 
  
  Keep an eye on the DTP execution logs and error stacks to catch any similar issues in the future.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  RSMO (DTP Monitor)
  RSA1 (Data Warehousing Workbench)
  
  
  
  Documentation: 
  
  Refer to SAP Help documentation for detailed information on DTPs, error handling, and data modeling in SAP BW.
  
  
  
  SAP Notes: 
  
  Check for any relevant SAP Notes that may address specific issues related to the error message RS_B4HPREP127.
  
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.