How To Fix 5W402 - Function code &1 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: 5W - Messages for PD (Particularly Workflow)

• Message number: 402

• Message text: Function code &1 not allowed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 5W402 - Function code &1 not allowed ?

  The SAP error message 5W402 with the description "Function code &1 not allowed" typically indicates that a specific function code (represented by &1) is not permitted in the current context or transaction. This error can occur in various scenarios, often related to authorization issues or the configuration of the SAP system.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to execute the function associated with the function code.
  Configuration Settings: The function code may be disabled or restricted in the system configuration.
  Transaction Restrictions: Certain transactions may have restrictions based on user roles or profiles.
  Incorrect Function Code: The function code being called may not be valid for the current transaction or context.
  
  Solutions:
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to execute the function associated with the function code. This can be done by checking the user's roles and profiles in transaction SU01 or PFCG.
  If the user lacks the required authorization, you may need to adjust their roles or request additional permissions from your SAP security team.
  
  
  
  Review Configuration:
  
  Check the configuration settings related to the function code in question. This may involve reviewing transaction codes, function modules, or any related settings in the SAP system.
  Consult with your SAP Basis or configuration team to ensure that the function code is enabled and properly configured.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources to understand the specific function code and its intended use. This can provide insights into why it may be restricted.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They can provide more detailed insights based on the specific function code and system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the transaction codes related to the function code in question. This can help in understanding the context in which the error occurs.
  SAP Notes: Search for relevant SAP Notes that may address this specific error message or provide guidance on similar issues.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.