How To Fix AM406 - Form of address key & is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: AM - Business Address Services

• Message number: 406

• Message text: Form of address key & is not defined

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 AM406 - Form of address key & is not defined ?

  The SAP error message AM406, which states "Form of address key & is not defined," typically occurs in the context of Asset Accounting (FI-AA) when the system encounters an undefined form of address key for a specific asset master record or transaction.
  
  Cause:
  
  Undefined Form of Address Key: The error is primarily caused by the use of a form of address key that has not been defined in the system. This could happen if the key is missing from the configuration or if there is a typo in the key being referenced.
  
  Configuration Issues: The form of address keys are usually defined in the system configuration. If the configuration has not been set up correctly or if the keys have been deleted or not maintained, this error can occur.
  Data Entry Errors: Sometimes, the error can arise from incorrect data entry in the asset master record or during transaction processing.
  
  
  Solution:
  
  
  Check Configuration:
  
  Go to the SAP