How To Fix ISLM_API335 - Input Key field/s not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: ISLM_API - API Messages

• Message number: 335

• Message text: Input Key field/s not specified

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISLM_API335 - Input Key field/s not specified ?

  The SAP error message ISLM_API335, which states "Input Key field/s not specified," typically occurs when a required key field is missing in the input parameters for a function module or API call related to the ISLM (Integrated Service Lifecycle Management) module. This error indicates that the system expects certain key fields to be provided, but they are either not included or are empty.
  Cause:
  
  Missing Key Fields: The most common cause is that the necessary key fields that uniquely identify a record or object are not being passed in the API call.
  Incorrect Mapping: If you are using a custom program or interface, there may be an issue with how the fields are mapped or populated.
  Data Entry Errors: Sometimes, user input errors can lead to missing or incorrect data being sent to the API.
  Configuration Issues: There may be configuration settings in the ISLM module that require certain fields to be filled out.
  
  Solution:
  
  Check Input Parameters: Review the input parameters being passed to the function module or API. Ensure that all required key fields are included and populated correctly.
  Refer to Documentation: Consult the SAP documentation for the specific API or function module you are using to identify which key fields are required.
  Debugging: If you have access to the ABAP code, you can debug the program to see what values are being passed and identify where the missing key fields are.
  Validation: Implement validation checks in your program to ensure that all required fields are filled before making the API call.
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a recurring issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to ISLM, such as ISLM or ISLM_API, to better understand the context of the error.
  Community Forums: Look for discussions in SAP community forums or platforms like SAP Community, where other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the ISLM_API335 error and implement a solution to resolve it.