How To Fix WJ025 - Only values 1 & 8 are allowed for the transmission medium

SAP Error Message - Details

• Message type: E = Error

• Message class: WJ - Additionals

• Message number: 025

• Message text: Only values 1 & 8 are allowed for the transmission medium

Self-Explanatory Message

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• What is the cause and solution for SAP error message WJ025 - Only values 1 & 8 are allowed for the transmission medium ?

  SAP Error Message:
  
  WJ025: Only values 1 & 8 are allowed for the transmission medium
  
  Cause:
  This error occurs when an invalid value is entered or processed for the Transmission Medium field in the SAP system. The system expects only specific values for this field, typically:
  
  1 = Print output
  8 = EDI (Electronic Data Interchange)
  
  If any other value is used, the system throws the WJ025 error.
  This usually happens in scenarios involving output determination, message control, or when configuring communication methods for documents such as purchase orders, invoices, or delivery notes.
  
  Explanation:
  The transmission medium defines how the message or document is transmitted to the recipient. SAP standardizes these values to ensure consistent processing. Values other than 1 or 8 are not recognized in the context where this error appears.
  
  Solution:
  
  
  Check the Transmission Medium Value:
  
  Identify where the transmission medium is set (e.g., output type configuration, message control, partner profiles).
  Ensure that the value is either 1 (Print) or 8 (EDI).
  
  
  
  Correct the Configuration:
  
  Go to the relevant customizing transaction (e.g., NACE for output types).
  Verify the transmission medium assigned to the output type.
  Change any invalid values to 1 or 8.
  
  
  
  Check Partner Profiles (WE20):
  
  If the error occurs during IDoc processing or EDI communication, check the partner profile settings.
  Ensure the transmission medium is correctly maintained.
  
  
  
  Review User Exits or Enhancements:
  
  If custom code or user exits modify the transmission medium, verify that they only assign allowed values.
  
  
  
  Data Correction:
  
  If the error is due to master data or transactional data, correct the transmission medium field in the relevant records.
  
  
  
  
  Related Information:
  
  Transaction Codes:
  
  NACE - Output Types configuration
  WE20 - Partner Profiles (EDI)
  WE02 / WE05 - IDoc monitoring
  
  
  Tables:
  
  T685 - Transmission Mediums
  NAST - Message Status (contains transmission medium field)
  
  
  Notes:
  
  SAP standard only supports certain transmission media for specific message types.
  Custom transmission media values require additional development and are generally not supported without modification.
  
  
  
  
  Summary:
  
  Cause: Invalid transmission medium value other than 1 or 8.
  Solution: Correct the transmission medium to 1 (Print) or 8 (EDI) in configuration or master data.
  Check: Output type settings, partner profiles, and any custom code affecting transmission medium.
  
  
  If you provide the context (e.g., transaction, document type, or process) where this error occurs, I can help with more specific guidance.