How To Fix CFD_RUNTIME054 - Only one key field supported, but found &1

CFD_RUNTIME054 - Overview

• Message type: E = Error

• Message class: CFD_RUNTIME - Custom Fields: Runtime Data

• Message number: 054

• Message text: Only one key field supported, but found &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.

Unfortunately, there isn't any extra information in this error notice.

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CFD_RUNTIME054 - Details

• The SAP error message CFD_RUNTIME054 indicates that there is an issue with the key fields in a data structure or a configuration where only one key field is expected, but multiple key fields have been found. This error typically arises in contexts such as data processing, configuration of data models, or when working with certain SAP applications that require specific key field definitions.
  
  Cause:
  
  
  Multiple Key Fields Defined: The primary cause of this error is that the system has detected more than one key field in a context where only one is allowed. This can happen in various scenarios, such as:
  
  When defining a data model or structure.
  When configuring a data source or target in SAP Data Services or similar tools.
  When using certain APIs or function modules that expect a single key field.
  
  
  
  Incorrect Configuration: The configuration settings may not align with the expected structure, leading to the system interpreting multiple fields as key