How To Fix /SAPAPO/AHT405 - Mandatory parameter (&1) not entered. &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/AHT -

• Message number: 405

• Message text: Mandatory parameter (&1) not entered. &2

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 /SAPAPO/AHT405 - Mandatory parameter (&1) not entered. &2 ?

  The SAP error message /SAPAPO/AHT405 Mandatory parameter (&1) not entered. &2 typically occurs in the context of Advanced Planning and Optimization (APO) within SAP systems. This error indicates that a required parameter, denoted by &1, has not been provided when executing a function or transaction, which is causing the process to fail.
  Cause:
  
  Missing Mandatory Parameter: The most common cause of this error is that a mandatory field or parameter required for the transaction or function is not filled in. This could be due to user oversight or a configuration issue.
  Incorrect Configuration: Sometimes, the system configuration may not be set up correctly, leading to the requirement of certain parameters that are not being provided.
  User Input Error: Users may not be aware of all the required fields, especially if they are new to the system or the specific transaction.
  
  Solution:
  
  Check Required Fields: Review the transaction or function you are trying to execute and ensure that all mandatory fields are filled in. The error message will typically indicate which parameter is missing (represented by &1).
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction to understand what parameters are required.
  System Configuration: If you suspect a configuration issue, consult with your SAP Basis or APO configuration team to ensure that the system is set up correctly and that all necessary parameters are defined.
  User Training: If the issue is recurring among users, consider providing additional training or documentation to help them understand the required fields for the transactions they are using.
  
  Related Information:
  
  Transaction Codes: Identify the specific transaction code that triggered the error to narrow down the context.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. SAP frequently updates its knowledge base with solutions for common problems.
  Debugging: If you have access to debugging tools, you can trace the execution of the transaction to see where the error is being triggered and what parameters are being passed.
  
  If the problem persists after checking the above points, it may be beneficial to reach out to SAP support or your internal IT team for further assistance.