How To Fix RSM776 - Invalid InfoSource definition; no update mode can be selected

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 776

• Message text: Invalid InfoSource definition; no update mode can be selected

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM776 - Invalid InfoSource definition; no update mode can be selected ?

  The SAP error message RSM776, "Invalid InfoSource definition; no update mode can be selected," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the configuration of an InfoSource. This error indicates that the system cannot determine a valid update mode for the InfoSource due to its definition being incomplete or incorrect.
  Causes:
  
  Incomplete InfoSource Definition: The InfoSource may not be fully defined, missing key components such as data sources or transformation rules.
  Incorrect Update Mode: The update mode (e.g., 'Direct Update', 'Data Transfer Process', etc.) may not be properly set or may not correspond to the data source.
  Missing or Incorrect DataSource: The DataSource linked to the InfoSource may be missing or incorrectly configured.
  Inconsistent Data Model: There may be inconsistencies in the data model that prevent the InfoSource from being processed correctly.
  Transport Issues: If the InfoSource was transported from another system, there may be issues with the transport that led to an incomplete setup.
  
  Solutions:
  
  
  Check InfoSource Definition:
  
  Go to the InfoSource in the SAP BW system and verify that all necessary fields and settings are correctly defined.
  Ensure that the InfoSource has a valid DataSource assigned to it.
  
  
  
  Review Update Mode:
  
  Check the update mode settings for the InfoSource. Make sure that the selected update mode is appropriate for the data being processed.
  If necessary, change the update mode to a valid option.
  
  
  
  Validate DataSource:
  
  Ensure that the DataSource linked to the InfoSource is active and correctly configured.
  Check if the DataSource is correctly mapped to the InfoSource and that it has the necessary fields defined.
  
  
  
  Check for Inconsistencies:
  
  Review the overall data model for any inconsistencies that might affect the InfoSource.
  Ensure that all related objects (like InfoObjects, DSO, etc.) are correctly defined and activated.
  
  
  
  Re-transport if Necessary:
  
  If the InfoSource was transported from another system, consider re-transporting it or manually recreating it to ensure all components are correctly set up.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to InfoSources and update modes for additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like RSA1 (Data Warehousing Workbench) to access InfoSources and DataSources.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Community Forums: SAP Community and other forums can provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSM776 error in your SAP BW system.