How To Fix R7844 - InfoObjectTyp of catalog has been changed

SAP Error Message - Details

• Message type: E = Error

• Message class: R7 - BW: Data basis

• Message number: 844

• Message text: InfoObjectTyp of catalog has been changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R7844 - InfoObjectTyp of catalog has been changed ?

  The SAP error message R7844, which states "InfoObjectTyp of catalog has been changed," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is a mismatch or inconsistency in the metadata of InfoObjects, particularly when dealing with InfoObject catalogs.
  Cause:
  
  
  Metadata Changes: The error usually arises when the InfoObject type (e.g., characteristic, key figure) in a catalog has been modified. This can happen if:
  
  An InfoObject was changed from a characteristic to a key figure or vice versa.
  The properties of the InfoObject were altered (e.g., data type, length).
  The InfoObject was deleted or renamed.
  
  
  
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), and the transport did not include all necessary objects or was not executed correctly, it could lead to inconsistencies.
  
  
  Versioning Issues: If multiple versions of the InfoObject exist or if there are discrepancies between the versions in different environments, this error may occur.
  
  
  Solution:
  
  
  Check InfoObject Definitions: Verify the definitions of the InfoObjects involved in the catalog. Ensure that the InfoObject types are consistent and have not been changed inadvertently.
  
  
  Recreate the Catalog: If the catalog is corrupted or inconsistent, consider recreating it. This involves:
  
  Deleting the existing catalog.
  Creating a new catalog and adding the InfoObjects again.
  
  
  
  Transport Consistency: Ensure that all necessary transports have been executed correctly. Check the transport logs for any errors or warnings that might indicate issues with the InfoObjects.
  
  
  Check for Dependencies: Look for any dependencies or references to the InfoObjects in queries, reports, or other objects. Ensure that these references are updated to reflect any changes made.
  
  
  Use Transaction RSRV: You can use transaction RSRV (Check and Repair) to check for inconsistencies in the InfoObjects and catalogs. This transaction can help identify and resolve issues related to metadata.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues.
  
  
  Related Information:
  
  SAP BW/BI Documentation: Review the official SAP documentation for BW/BI for more details on InfoObjects and catalogs.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  System Logs: Check system logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the R7844 error and implement a solution to resolve it.