How To Fix ISLM_API314 - Invalid input field type. Allowed values: "Input", "Key", "Target"

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_API - API Messages

• Message number: 314

• Message text: Invalid input field type. Allowed values: "Input", "Key", "Target"

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 ISLM_API314 - Invalid input field type. Allowed values: "Input", "Key", "Target" ?

  The SAP error message ISLM_API314, which states "Invalid input field type. Allowed values: 'Input', 'Key', 'Target'," typically occurs when there is an issue with the data being sent to an API or function module in SAP. This error indicates that the input field type provided does not match the expected values.
  Cause:
  
  Incorrect Field Type: The input field type being passed to the API is not one of the allowed values: "Input", "Key", or "Target". This could be due to a typo, incorrect mapping, or misunderstanding of the API's requirements.
  Data Structure Mismatch: The structure of the data being sent may not align with what the API expects. For example, if a field is expected to be of type "Input" but is sent as "Output" or any other type, this error will occur.
  Configuration Issues: There may be configuration issues in the system that lead to incorrect field types being generated or sent.
  
  Solution:
  
  Check Input Parameters: Review the parameters being passed to the API or function module. Ensure that the field types are correctly specified as "Input", "Key", or "Target".
  Review Documentation: Consult the API documentation to understand the expected input structure and field types. Make sure that your implementation aligns with these specifications.
  Debugging: If you have access to debugging tools, use them to trace the execution and see what values are being passed to the API. This can help identify where the incorrect field type is being set.
  Data Mapping: If you are using a mapping tool or middleware, ensure that the mapping between your source data and the API's expected input is correct.
  Consult SAP Notes: Check for any relevant SAP Notes or updates that might address this issue. Sometimes, there are known issues or patches that can resolve specific errors.
  
  Related Information:
  
  SAP API Documentation: Always refer to the official SAP API documentation for the specific API you are working with. This will provide the most accurate information regarding expected input types and structures.
  SAP Community: Engage with the SAP Community forums or support channels. Other users may have encountered similar issues and can provide insights or solutions.
  Testing: If possible, create a test case with minimal input to isolate the issue. This can help determine if the problem lies with specific data or the overall implementation.
  
  By following these steps, you should be able to identify and resolve the cause of the ISLM_API314 error in your SAP environment.