How To Fix DU027 - The file cannot be imported in this format

SAP Error Message - Details

• Message type: E = Error

• Message class: DU - Data transfer to SAP-EIS

• Message number: 027

• Message text: The file cannot be imported in this format

What causes this issue?

In several cases a file cannot be read.
The file contains fields of type 'I' or 'F'. The system cannot
determine how the fields in the file are arranged.
This is a UNICODE system and you are trying to import
non-character-type fields.

System Response

The file cannot be imported.

How to fix this error?

Create the file in another format.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DU027 - The file cannot be imported in this format ?

  The SAP error message DU027, which states "The file cannot be imported in this format," typically occurs when there is an issue with the format of the file you are trying to import into the SAP system. This error can arise in various contexts, such as during data uploads, file imports, or when using specific transaction codes that involve file handling.
  Causes:
  
  Incorrect File Format: The file you are trying to import may not be in the expected format (e.g., CSV, TXT, XML).
  File Encoding Issues: The file may be encoded in a format that SAP does not recognize (e.g., UTF-16 instead of UTF-8).
  Data Structure Mismatch: The structure of the data in the file may not match the expected structure in SAP (e.g., missing fields, incorrect delimiters).
  File Size Limitations: The file may exceed the maximum size limit allowed for import.
  Corrupted File: The file may be corrupted or incomplete.
  
  Solutions:
  
  Check File Format: Ensure that the file is in the correct format required by SAP. Refer to the documentation for the specific transaction or import function you are using to confirm the expected format.
  Verify Encoding: Make sure the file is saved with the correct encoding (usually UTF-8). You can change the encoding using text editors or conversion tools.
  Review Data Structure: Check the data structure of the file to ensure it matches the expected format in SAP. This includes verifying field names, data types, and delimiters.
  Reduce File Size: If the file is too large, consider splitting it into smaller files that can be imported separately.
  Test with Sample Data: Create a small sample file with a few records that conform to the expected format and try importing it to see if the error persists.
  Check for Corruption: Open the file in a text editor to ensure it is not corrupted. If it appears corrupted, try obtaining a new copy of the file.
  
  Related Information:
  
  SAP Documentation: Refer to the specific SAP module or transaction documentation for detailed requirements regarding file imports.
  Transaction Codes: Common transaction codes that may involve file imports include LSMW (Legacy System Migration Workbench), BAPIs, and others depending on the context.
  SAP Notes: Check SAP Notes for any known issues or patches related to file import errors.
  Community Forums: Consider searching or posting in SAP community forums for additional insights or similar experiences from other users.
  
  If the issue persists after trying the above solutions, it may be helpful to consult with your SAP Basis or technical team for further investigation.