How To Fix DMC_GENERAL122 - Excel &1, sheet &2: No structure found in source definition

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 122

• Message text: Excel &1, sheet &2: No structure found in source definition

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_GENERAL122 - Excel &1, sheet &2: No structure found in source definition ?

  The SAP error message DMC_GENERAL122 typically occurs in the context of data management and integration tasks, particularly when working with Excel files in SAP Data Management or SAP Data Intelligence. The error indicates that the system could not find a structure in the source definition for the specified Excel file and sheet.
  Cause:
  
  Missing Structure Definition: The source definition for the Excel file may not have a defined structure (e.g., columns, data types) that matches the data in the specified sheet.
  Incorrect Sheet Name: The specified sheet name in the error message may not exist in the Excel file.
  File Format Issues: The Excel file may be corrupted or not in a supported format.
  Data Type Mismatch: The data types in the Excel sheet may not align with the expected data types in the source definition.
  Configuration Issues: There may be issues with the configuration of the data source or the connection settings.
  
  Solution:
  
  
  Check Source Definition:
  
  Ensure that the source definition for the Excel file is correctly set up with the appropriate structure. This includes defining the columns and their respective data types.
  
  
  
  Verify Sheet Name:
  
  Double-check the sheet name in the Excel file to ensure it matches the name specified in the source definition. Make sure there are no typos or extra spaces.
  
  
  
  Inspect the Excel File:
  
  Open the Excel file and verify that it is not corrupted. Ensure that the data is formatted correctly and that the expected columns are present.
  
  
  
  Update Data Types:
  
  Review the data types in the Excel sheet and ensure they match the expected data types in the source definition. Adjust the source definition if necessary.
  
  
  
  Recreate Source Definition:
  
  If the issue persists, consider recreating the source definition from scratch to ensure that all settings are correct.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the data source and ensure that all parameters are correctly set.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Data Management or Data Intelligence for detailed guidelines on setting up source definitions and handling Excel files.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and to find additional troubleshooting tips.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error message.
  
  By following these steps, you should be able to identify and resolve the cause of the DMC_GENERAL122 error in your SAP environment.