How To Fix /SAPAPO/FOT402 - Action type &1 is not defined; use S, M or P

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/FOT -

• Message number: 402

• Message text: Action type &1 is not defined; use S, M or P

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/FOT402 - Action type &1 is not defined; use S, M or P ?

  The SAP error message /SAPAPO/FOT402 Action type &1 is not defined; use S, M or P typically occurs in the context of SAP Advanced Planning and Optimization (APO) when a user attempts to execute a function that requires a specific action type, but the provided action type is not recognized by the system.
  Cause:
  The error is caused by the use of an invalid action type in a function or transaction within SAP APO. The valid action types are:
  
  S: for "Simulation"
  M: for "Mass Processing"
  P: for "Planning"
  
  If an action type other than these is specified, or if the action type is not defined in the system, this error will be triggered.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Action Type: Ensure that you are using one of the valid action types (S, M, or P). If you are using a different action type, change it to one of the valid options.
  
  
  Review the Configuration: If you believe you are using the correct action type, check the configuration settings in SAP APO to ensure that the action types are properly defined and that there are no customizations that might be affecting the available action types.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction or function you are using to understand the expected input and any constraints.
  
  
  Check User Authorizations: Ensure that your user profile has the necessary authorizations to perform the action you are attempting. Sometimes, lack of permissions can lead to unexpected errors.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error message.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with the transaction codes related to the planning functions you are using, as they may have specific requirements for action types.
  User Manuals: Review user manuals or training materials for SAP APO to better understand the context in which this error might occur.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.