How To Fix DU021 - Only files with a record length of < 4096 bytes can be imported

DU021 - Overview

• Message type: E = Error

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

• Message number: 021

• Message text: Only files with a record length of < 4096 bytes can be imported

Self-Explanatory Message

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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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DU021 - Details

• The SAP error message DU021 indicates that the system is unable to import a file because its record length exceeds the maximum allowed limit of 4096 bytes. This error typically occurs during data import processes, such as when using the Data Transfer Workbench (DTW) or other data import tools.
  
  Cause:
  The primary cause of the DU021 error is that the file being imported contains records that are longer than 4096 bytes. This can happen due to:
  
  Incorrect file formatting.
  Data fields that exceed the expected length.
  Use of delimiters or line breaks that result in longer records.
  
  
  Solution:
  To resolve the DU021 error, you can take the following steps:
  
  
  Check File Format: Ensure that the file you are trying to import is in the correct format (e.g., CSV, TXT) and adheres to the expected structure.
  
  
  Review Record Length: Open the file in a text editor or a spreadsheet application to check the length of each record. If any record