How To Fix R8055 - Metadata for DataSource &1 is not complete or contains errors

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 055

• Message text: Metadata for DataSource &1 is not complete or contains errors

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message R8055 - Metadata for DataSource &1 is not complete or contains errors ?

  The SAP error message R8055 indicates that there is an issue with the metadata of a DataSource in SAP BW (Business Warehouse). This error typically arises when the DataSource is not properly defined or when there are inconsistencies in its metadata.
  Causes:
  
  Incomplete Metadata: The DataSource may not have all the required fields or attributes defined.
  Errors in DataSource Definition: There could be errors in the DataSource configuration, such as incorrect field mappings or missing data types.
  Transport Issues: If the DataSource was transported from one system to another, there may have been issues during the transport process that led to incomplete metadata.
  Changes in Source System: If the underlying source system has changed (e.g., fields were added or removed), the DataSource may no longer align with the source structure.
  Version Mismatch: The DataSource version in the BW system may not match the version in the source system.
  
  Solutions:
  
  
  Check DataSource Definition:
  
  Go to the DataSource in the SAP BW system and verify that all required fields and attributes are correctly defined.
  Ensure that the field mappings are correct and that all necessary data types are specified.
  
  
  
  Re-activate the DataSource:
  
  Sometimes, simply reactivating the DataSource can resolve metadata issues. You can do this in the DataSource maintenance transaction (e.g., RSA1).
  
  
  
  Check for Transport Issues:
  
  If the DataSource was recently transported, check the transport logs for any errors or warnings that may indicate issues during the transport process.
  
  
  
  Update DataSource:
  
  If the source system has changed, you may need to update the DataSource in BW to reflect the new structure. This can be done by using the "Update DataSource" option in the DataSource maintenance.
  
  
  
  Check for Version Mismatch:
  
  Ensure that the DataSource version in the BW system matches the version in the source system. If there is a mismatch, you may need to adjust the DataSource accordingly.
  
  
  
  Use Transaction RSA3:
  
  You can use transaction RSA3 to test the DataSource and see if it retrieves data correctly. This can help identify if the issue is with the DataSource itself or with the data retrieval process.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSA3: Extractor Checker
  RSO2: DataSource Maintenance
  
  
  SAP Notes: Check SAP Notes related to DataSource issues for any specific patches or updates that may address known problems.
  Documentation: Review SAP documentation for DataSource configuration and best practices to ensure that all necessary steps have been followed.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation.