How To Fix NFE018 - Could not convert Base64 string to XString content. Check the source file

SAP Error Message - Details

• Message type: E = Error

• Message class: NFE -

• Message number: 018

• Message text: Could not convert Base64 string to XString content. Check the source file

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX

Procedure for System Administrators

Contact the partner that made the source file available, and make sure
that the file is correct.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NFE018 - Could not convert Base64 string to XString content. Check the source file ?

  The SAP error message NFE018: Could not convert Base64 string to XString content. Check the source file typically occurs when there is an issue with the Base64 encoding of a string that is being processed in an SAP application, often related to file handling or data transmission.
  Causes:
  
  Invalid Base64 String: The string being processed may not be a valid Base64 encoded string. This can happen if the string has been corrupted or improperly formatted.
  Incorrect Padding: Base64 strings must be properly padded with = characters. If the padding is incorrect, the conversion will fail.
  Non-ASCII Characters: The presence of non-ASCII characters in the Base64 string can lead to conversion issues.
  File Encoding Issues: If the source file from which the Base64 string is derived is not encoded correctly, it may lead to this error.
  Truncated Data: If the Base64 string is incomplete or truncated, it will not convert properly.
  
  Solutions:
  
  Validate Base64 String: Check the Base64 string for validity. You can use online tools or programming libraries to validate the string.
  Check Padding: Ensure that the Base64 string has the correct padding. The length of the string should be a multiple of 4, and it should be padded with = if necessary.
  Inspect Source File: Review the source file from which the Base64 string is derived. Ensure that it is correctly encoded and does not contain any unexpected characters.
  Re-encode the Data: If you have access to the original data, try re-encoding it to Base64 to ensure it is correctly formatted.
  Error Handling: Implement error handling in your code to catch and log any issues during the conversion process, which can help in diagnosing the problem.
  
  Related Information:
  
  Base64 Encoding: Base64 is a method of encoding binary data into ASCII string format using a specific set of 64 characters. It is commonly used in data transmission and storage.
  SAP Documentation: Refer to SAP's official documentation for more details on handling Base64 strings and related functions.
  Debugging Tools: Use debugging tools within SAP to trace the execution and identify where the error occurs in the code.
  
  If the issue persists after checking these aspects, consider reaching out to SAP support or consulting with a developer who has experience with SAP and Base64 encoding.