How To Fix RSO_RES_ADSO178 - No source characteristic for time derivation specified

SAP Error Message - Details

• Message type: E = Error

• Message class: RSO_RES_ADSO - Datastore Object

• Message number: 178

• Message text: No source characteristic for time derivation specified

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSO_RES_ADSO178 - No source characteristic for time derivation specified ?

  The SAP error message RSO_RES_ADSO178 indicates that there is an issue with the time derivation in the context of an Advanced DataStore Object (ADSO) in SAP BW/4HANA or SAP BW on HANA. This error typically arises when the system cannot find a source characteristic for the time derivation process, which is essential for the data loading and transformation processes.
  Cause:
  The error can occur due to several reasons:
  
  Missing Time Characteristic: The ADSO may not have a defined time characteristic that is required for the time derivation.
  Incorrect Configuration: The configuration of the ADSO or the transformation may not be set up correctly, leading to the absence of a source characteristic for time derivation.
  Data Source Issues: The data source from which data is being extracted may not provide the necessary time characteristic.
  Modeling Errors: There may be errors in the data model or the way the ADSO is defined, particularly regarding the time-related fields.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check ADSO Configuration:
  
  Go to the ADSO definition in the SAP BW modeling tools.
  Ensure that the time characteristic is defined correctly in the ADSO. This typically involves checking the "Time" dimension and ensuring it is included in the data model.
  
  
  
  Review Transformation Settings:
  
  Check the transformation that is used to load data into the ADSO.
  Ensure that the source characteristic for time derivation is correctly mapped to the target characteristic in the ADSO.
  
  
  
  Validate Data Source:
  
  Ensure that the data source you are using provides the necessary time characteristic.
  If the data source is an InfoProvider or another ADSO, verify that it includes the time characteristic.
  
  
  
  Adjust Time Derivation Logic:
  
  If you are using a time derivation routine, ensure that it is correctly implemented and that it references the correct source characteristic.
  
  
  
  Test Data Load:
  
  After making the necessary adjustments, perform a test data load to see if the error persists.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP BW/4HANA you are using for any additional guidance or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Training and Documentation: Consider reviewing training materials or documentation on ADSO modeling and time derivation in SAP BW/4HANA for a deeper understanding of the concepts involved.
  
  By following these steps, you should be able to identify and resolve the cause of the RSO_RES_ADSO178 error message.