How To Fix /SCMTMS/UI_MESSAGES421 - Transportation mode category &1 is not suitable for air transportation

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMTMS/UI_MESSAGES -

• Message number: 421

• Message text: Transportation mode category &1 is not suitable for air transportation

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMTMS/UI_MESSAGES421 - Transportation mode category &1 is not suitable for air transportation ?

  The SAP error message /SCMTMS/UI_MESSAGES421 indicates that the transportation mode category specified is not suitable for air transportation. This error typically arises in the context of SAP Transportation Management (TM) when trying to create or manage transportation requests or shipments that involve air transport.
  
  Cause:
  
  
  Incorrect Transportation Mode: The transportation mode category assigned to the shipment or transportation request is not configured to support air transportation. This could be due to the mode being set to a category that is not compatible with air transport (e.g., ground transportation).
  
  
  
  Configuration Issues: The configuration settings in the SAP system for transportation modes may not include air transportation for the specified mode category.
  
  
  Master Data Issues: The master data for the transportation mode or the relevant shipping conditions may not be set up correctly.
  
  
  
  Solution:
  
  
  Check Transportation Mode Configuration:
  
  Go to the SAP TM configuration settings and verify the transportation mode categories.
  Ensure that the transportation mode you are trying to