How To Fix DMC_RT_MSG160 - First row of File &1 is no header.

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 160

• Message text: First row of File &1 is no header.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_RT_MSG160 - First row of File &1 is no header. ?

  The SAP error message DMC_RT_MSG160 indicates that the first row of the file being processed does not contain a header. This is a common issue when importing data into SAP systems, particularly when using tools like SAP Data Migration Cockpit or SAP Data Services.
  Cause:
  
  Missing Header Row: The file you are trying to upload does not have a header row, which is typically expected to define the columns of data.
  Incorrect File Format: The file may not be in the expected format (e.g., CSV, Excel) or may have been incorrectly generated.
  File Corruption: The file might be corrupted or improperly formatted, leading to the system not recognizing the header.
  Configuration Issues: The settings in the data import tool may not be configured to recognize the header row.
  
  Solution:
  
  Add a Header Row: Ensure that the first row of your file contains the appropriate headers that match the expected column names in SAP. This row should define the data structure.
  Check File Format: Verify that the file is in the correct format (e.g., CSV, TXT) and that it adheres to the expected structure.
  Review Data Mapping: If you are using a data migration tool, check the mapping configuration to ensure it is set to recognize the header row.
  Test with Sample Data: Create a small sample file with a proper header and a few rows of data to test the import process.
  Consult Documentation: Refer to the SAP documentation for the specific tool you are using to ensure you are following the correct procedures for data import.
  
  Related Information:
  
  SAP Data Migration Cockpit: This tool is often used for data migration and may have specific requirements for file formats and headers.
  SAP Data Services: If you are using SAP Data Services, ensure that the data flow is correctly configured to handle headers.
  Error Logs: Check the error logs for more detailed information about the import process and any additional errors that may be occurring.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights or similar experiences from other users.
  
  By addressing the header issue and ensuring the file is correctly formatted, you should be able to resolve the DMC_RT_MSG160 error and successfully import your data into SAP.