How To Fix R7640 - Error while generating column view. Char. &1 will be deactivated

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 640

• Message text: Error while generating column view. Char. &1 will be deactivated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7640 - Error while generating column view. Char. &1 will be deactivated ?

  The SAP error message R7640 indicates that there is an issue with generating a column view for a characteristic in a data model, and as a result, the characteristic will be deactivated. This error typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, InfoObjects, or CompositeProviders.
  Cause:
  The error can be caused by several factors, including:
  
  
  Inconsistent Data Model: The characteristic may have inconsistencies or issues in its definition or data type that prevent the system from generating the column view.
  
  
  Missing Attributes: If the characteristic relies on certain attributes that are not defined or are missing, it can lead to this error.
  
  
  Data Type Mismatch: There may be a mismatch between the expected data type of the characteristic and the actual data type in the underlying database.
  
  
  Technical Settings: The technical settings of the characteristic may not be compatible with the requirements for generating a column view.
  
  
  Database Constraints: There may be constraints or limitations in the underlying database that prevent the creation of the column view.
  
  
  Solution:
  To resolve the R7640 error, you can take the following steps:
  
  
  Check Characteristic Definition: Review the definition of the characteristic that is causing the error. Ensure that all attributes and properties are correctly defined.
  
  
  Validate Data Model: Use the data model validation tools in SAP BW or HANA to check for inconsistencies or errors in the data model.
  
  
  Review Technical Settings: Check the technical settings of the characteristic to ensure they are appropriate for the data model and the underlying database.
  
  
  Check for Missing Attributes: Ensure that all required attributes for the characteristic are defined and available.
  
  
  Data Type Verification: Verify that the data types of the characteristic and its attributes are consistent with the underlying database schema.
  
  
  Re-activate the Characteristic: After making the necessary corrections, try to re-activate the characteristic and regenerate the column view.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Related Information:
  
  SAP BW Documentation: Refer to the official SAP BW documentation for detailed information on characteristics, data modeling, and error handling.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is impacting production systems.
  
  By following these steps, you should be able to identify the root cause of the R7640 error and implement a solution to resolve it.