How To Fix ACI_API054 - Illegal variable: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ACI_API - EXPERIMENTAL, DON'T USE (Messages raised by the ACI's API)

• Message number: 054

• Message text: Illegal variable: &1

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 ACI_API054 - Illegal variable: &1 ?

  The SAP error message ACI_API054 "Illegal variable: &1" typically occurs in the context of SAP's Application Interface Framework (AIF) or when dealing with application interfaces. This error indicates that there is an issue with a variable that is being used in an interface or API call, which is not recognized or is deemed illegal by the system.
  
  Cause:
  
  Invalid Variable Name: The variable name being referenced may not conform to the expected naming conventions or may not exist in the context where it is being used.
  
  Configuration Issues: There may be a misconfiguration in the interface settings or mappings that leads to the use of an illegal variable.
  Data Type Mismatch: The variable may be of an unexpected data type or format that the system cannot process.
  Missing Variables: The variable might be missing from the data structure or interface definition.
  
  
  Solution:
  
  Check Variable Name: Verify that the variable name referenced in the error message is correct