How To Fix R7B645 - Ext. UUID key and conversion routine may not be selected at same time

SAP Error Message - Details

• Message type: E = Error

• Message class: R7B - BW Metadata (InfoCube, InfoObject, InfoObject catalog)

• Message number: 645

• Message text: Ext. UUID key and conversion routine may not be selected at same time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7B645 - Ext. UUID key and conversion routine may not be selected at same time ?

  The SAP error message R7B645 indicates that there is a conflict in the configuration of a data source or transformation where both an external UUID key and a conversion routine are being selected simultaneously. This situation is not allowed because the system cannot process both options at the same time.
  Cause:
  The error typically arises in the context of data extraction or transformation processes, particularly when working with SAP BW (Business Warehouse) or SAP HANA. The specific causes can include:
  
  Configuration Conflict: The data source or transformation is configured to use both an external UUID key and a conversion routine, which is not permitted.
  Incorrect Data Source Settings: The settings for the data source may have been incorrectly defined, leading to this conflict.
  Incompatibility of Data Types: The data types being used may not be compatible with the selected options.
  
  Solution:
  To resolve this error, you need to adjust the configuration to ensure that only one of the options (either the external UUID key or the conversion routine) is selected. Here are the steps to do this:
  
  
  Access the Data Source/Transformation:
  
  Go to the relevant data source or transformation in the SAP BW or HANA system.
  
  
  
  Check Configuration Settings:
  
  Review the settings for the data source or transformation.
  Look for the options related to the external UUID key and the conversion routine.
  
  
  
  Modify the Settings:
  
  If both options are selected, choose one based on your requirements:
  
  If you need to use an external UUID key, deselect the conversion routine.
  If you need to use a conversion routine, deselect the external UUID key.
  
  
  
  
  
  Save Changes:
  
  After making the necessary adjustments, save the changes to the configuration.
  
  
  
  Test the Configuration:
  
  Run a test extraction or transformation to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation for detailed information on configuring data sources and transformations in BW or HANA.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error.
  Community Forums: Engage with SAP community forums or support channels for shared experiences and solutions from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the R7B645 error and ensure that your data extraction or transformation processes run smoothly.