How To Fix RSAU186 - No source time characteristic assigned for reading master data from &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAU - Update rules

• Message number: 186

• Message text: No source time characteristic assigned for reading master data from &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAU186 - No source time characteristic assigned for reading master data from & ?

  The SAP error message RSAU186 indicates that there is no source time characteristic assigned for reading master data from a specific source. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when trying to load or process data that requires a time characteristic, but the system cannot find the necessary configuration.
  Cause:
  
  Missing Time Characteristic Assignment: The most common cause of this error is that the time characteristic (e.g., 0CALMONTH, 0CALYEAR) has not been assigned to the InfoObject or the data source from which you are trying to read master data.
  Incorrect Data Source Configuration: The data source may not be properly configured to include the necessary time characteristics.
  Master Data Not Loaded: If the master data has not been loaded or is incomplete, the system may not be able to find the required time characteristics.
  Transformation Issues: There may be issues in the transformation rules that prevent the correct mapping of time characteristics.
  
  Solution:
  
  
  Check InfoObject Settings:
  
  Go to the InfoObject maintenance (transaction RSD1) and check the settings for the InfoObject you are working with. Ensure that the time characteristics are correctly assigned.
  If necessary, assign the appropriate time characteristics to the InfoObject.
  
  
  
  Review Data Source Configuration:
  
  Check the data source configuration (transaction RSA1) to ensure that it is set up correctly and includes the necessary time characteristics.
  If the data source is based on a DSO or InfoCube, ensure that the time characteristics are included in the structure.
  
  
  
  Load Master Data:
  
  Ensure that the master data for the relevant InfoObject has been loaded into the system. You can do this by checking the master data in the relevant InfoProvider.
  
  
  
  Check Transformations:
  
  Review the transformation rules (transaction RSTRAN) to ensure that the time characteristics are being mapped correctly from the source to the target.
  
  
  
  Re-run Data Load:
  
  After making the necessary adjustments, re-run the data load process to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSD1: InfoObject Maintenance
  RSA1: Data Warehousing Workbench
  RSTRAN: Transformation Maintenance
  
  
  Documentation: Refer to SAP Help documentation for detailed information on InfoObjects, data sources, and transformations.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or BW team for further assistance, as they may have additional insights or access to system logs that can help diagnose the issue.