How To Fix SWR218 - File type must be either binary (B) or text (T)

SAP Error Message - Details

• Message type: E = Error

• Message class: SWR - Business Workflow: WAPI Interfaces

• Message number: 218

• Message text: File type must be either binary (B) or text (T)

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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Smart SAP Assistant

• What is the cause and solution for SAP error message SWR218 - File type must be either binary (B) or text (T) ?

  The SAP error message SWR218 indicates that there is an issue with the file type specified in a process, typically when dealing with file uploads or downloads in SAP systems. The error message states that the file type must be either binary (B) or text (T), which means that the system is expecting a specific format for the file being processed.
  Cause:
  
  Incorrect File Type Specification: The file type specified in the program or configuration does not match the expected types (binary or text).
  File Format Issues: The file being processed may not be in the correct format or may have been corrupted.
  Configuration Errors: There may be misconfigurations in the settings related to file handling in the SAP system.
  
  Solution:
  
  
  Check File Type Specification: Ensure that the file type is correctly specified in the program or configuration. If you are using a function module or method to handle files, verify that the parameters for file type are set to either 'B' for binary or 'T' for text.
  
  
  Validate the File: Make sure that the file you are trying to upload or download is in the correct format. If it is supposed to be a text file, ensure it is saved as a plain text file. If it is a binary file, ensure it is not corrupted.
  
  
  Review Configuration Settings: Check the relevant configuration settings in the SAP system that pertain to file handling. This may include settings in transaction codes like AL11 (for file directories) or other relevant configurations.
  
  
  Debugging: If you have access to the ABAP code, you can debug the program to see where the file type is being set and ensure it is being set correctly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or function you are using to ensure you are following the correct procedures.
  
  
  Related Information:
  
  File Types in SAP: In SAP, files can be classified as binary or text. Binary files are typically used for images, executables, or any non-text data, while text files are used for plain text data.
  Function Modules: Common function modules for file handling include GUI_UPLOAD, GUI_DOWNLOAD, and OPEN DATASET. Ensure you are using the correct parameters for these functions.
  SAP Notes: Check SAP Notes for any known issues or patches related to file handling that may address this error.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance.