How To Fix RSDMD122 - Error when converting the SID

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDMD - Messages for master data

• Message number: 122

• Message text: Error when converting the SID

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDMD122 - Error when converting the SID ?

  The SAP error message RSDMD122 typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with converting a SID (Surrogate ID) during data processing or extraction. This error can arise due to various reasons, including data inconsistencies, issues with the master data, or problems with the data model.
  Cause:
  
  Missing Master Data: The SID conversion process relies on the existence of master data. If the master data for a particular characteristic is missing or incomplete, the conversion will fail.
  Data Inconsistencies: If there are inconsistencies in the data, such as duplicate entries or incorrect mappings, it can lead to SID conversion errors.
  Data Model Changes: Changes in the data model, such as modifications to InfoObjects or characteristics, can also lead to issues with SID conversion.
  Transport Issues: If the transport of objects has not been executed properly, it may lead to missing or inconsistent data in the target system.
  
  Solution:
  
  Check Master Data: Ensure that the master data for the characteristic in question is complete and consistent. You can do this by checking the relevant master data tables (e.g., RSD1, RSD2).
  Rebuild the SID Table: If the master data is correct but the error persists, you may need to rebuild the SID table. This can be done using transaction RSD1 (Manage InfoObjects) and then executing the "Rebuild SID" option.
  Data Consistency Check: Use transaction RSA1 to check for data inconsistencies. You can run the "Check" function for the InfoProvider to identify any issues.
  Transport Check: If the issue arose after a transport, ensure that all necessary objects were transported correctly. You may need to re-transport or adjust the transport requests.
  Update Statistics: Sometimes, updating the statistics for the InfoProvider can help resolve SID conversion issues. This can be done through transaction RSANWB or RSU1.
  Check for Duplicates: Look for duplicate entries in the master data that could be causing the SID conversion to fail.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), RSD1 (Manage InfoObjects), and RSD2 (Display InfoObject).
  SAP Notes: Check SAP Notes for any known issues or patches related to SID conversion errors. You can search the SAP Support Portal for specific notes that may address your issue.
  Logs and Traces: Review the application logs and traces for more detailed error messages that can provide additional context for troubleshooting.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further assistance, as they may have more tools and access to diagnose the issue in depth.