How To Fix DMC_RT_MSG128 - Sheet &1 unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 128

• Message text: Sheet &1 unknown

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG128 - Sheet &1 unknown ?

  The SAP error message DMC_RT_MSG128, which states "Sheet &1 unknown," typically occurs in the context of SAP Data Management or SAP Analytics Cloud when the system is unable to recognize or locate a specified sheet in a data source, such as a spreadsheet or a data model.
  Cause:
  
  Incorrect Sheet Name: The sheet name specified in the data import or processing task does not match any of the existing sheet names in the source file.
  File Format Issues: The file may not be in the expected format (e.g., an Excel file with a different extension).
  Corrupted File: The file may be corrupted or not properly formatted, leading to issues in reading the sheets.
  Access Permissions: There may be insufficient permissions to access the file or the specific sheet within it.
  Data Source Configuration: The data source may not be configured correctly in the SAP system.
  
  Solution:
  
  Verify Sheet Name: Check the name of the sheet in the source file and ensure it matches exactly with what is specified in the SAP system. Pay attention to case sensitivity and any leading/trailing spaces.
  Check File Format: Ensure that the file is in the correct format (e.g., .xlsx for Excel files) and that it is not corrupted. Try opening the file in Excel to confirm it is functioning correctly.
  Review Access Permissions: Ensure that the user has the necessary permissions to access the file and the specific sheet.
  Reconfigure Data Source: If the data source is incorrectly configured, review the settings and make necessary adjustments to ensure it points to the correct file and sheet.
  Test with a Different File: If possible, try using a different file with a known good sheet to see if the issue persists. This can help isolate whether the problem is with the specific file or the SAP configuration.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review the official SAP documentation for Data Management or Analytics Cloud for guidance on data import processes and troubleshooting tips.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.