How To Fix >U152 - Error in file: 1, 2, or 3 (line &1) must follow data record type 4

SAP Error Message - Details

• Message type: E = Error

• Message class: >U -

• Message number: 152

• Message text: Error in file: 1, 2, or 3 (line &1) must follow data record type 4

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 >U152 - Error in file: 1, 2, or 3 (line &1) must follow data record type 4 ?

  The SAP error message U152 indicates that there is an issue with the structure of the data file being processed. Specifically, it suggests that the file contains a line (or lines) that does not conform to the expected format after a data record of type 4. This error typically occurs during data uploads or processing of files in SAP, such as during the import of data using tools like LSMW (Legacy System Migration Workbench) or BAPIs.
  Cause:
  
  Incorrect File Format: The file being processed does not adhere to the expected structure. Each record type in the file has a specific format, and if a record of type 1, 2, or 3 appears where a record of type 4 is expected, this error will occur.
  Missing or Extra Records: There may be missing records or extra records in the file that disrupt the expected sequence.
  Data Corruption: The file may be corrupted or improperly formatted, leading to misinterpretation of the record types.
  Incorrect Mapping: If you are using a mapping tool, the mapping may not be set up correctly, leading to the wrong interpretation of record types.
  
  Solution:
  
  Check File Structure: Review the file to ensure that it follows the expected structure. Each record type should be in the correct order and format.
  Validate Record Types: Ensure that the record types are correctly defined and that there are no unexpected record types in the file.
  Use a Validator Tool: If available, use a file validation tool to check the integrity and structure of the file before uploading it to SAP.
  Review Mapping Configuration: If you are using a mapping tool, double-check the mapping configuration to ensure that it aligns with the expected data structure.
  Consult Documentation: Refer to the SAP documentation for the specific data upload process you are using to ensure compliance with the required formats.
  Test with Sample Data: If possible, test the upload process with a smaller set of sample data that is known to be correctly formatted to isolate the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to the specific transaction or process you are using.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., LSMW, BAPIs) and their documentation for data uploads.
  Error Logs: Review any error logs generated during the upload process for additional context on the error.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the U152 error in SAP.