How To Fix AA450 - You cannot post with transaction type &

AA450 - Overview

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 450

• Message text: You cannot post with transaction type &

What causes this issue?

The transaction code entered is reserved for purely internal use.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a different transaction type.

Error message extract from SAP system. Copyright SAP SE.

AA450 - Details

• The SAP error message AA450 ("You cannot post with transaction type &") typically occurs in the Asset Accounting (FI-AA) module when you attempt to post a transaction using a transaction type that is not allowed for the specific operation you are trying to perform. This can happen for various reasons, including configuration issues or restrictions on certain transaction types.
  Causes:
  
  Transaction Type Configuration: The transaction type you are trying to use may not be configured for the type of posting you are attempting (e.g., acquisition, retirement, transfer).
  Posting Period: The posting period may be closed, preventing any transactions from being posted.
  Authorization Issues: The user may not have the necessary authorizations to perform the transaction with the specified transaction type.
  Asset Class Restrictions: The asset class associated with the asset may have restrictions on certain transaction types.
  Custom Settings: Custom settings or enhancements in the system may restrict the use of certain transaction types.
  
  Solutions:
  
  
  Check Transaction Type