How To Fix OL861 - Invalid API call

OL861 - Overview

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 861

• Message text: Invalid API call

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 OL861 - Invalid API call ?

  The SAP error message OL861 "Invalid API call" typically occurs when there is an issue with the way an API is being called within the SAP system. This can happen in various contexts, such as when using BAPIs (Business Application Programming Interfaces), RFCs (Remote Function Calls), or other integration points.
  Causes of OL861 Error
  
  Incorrect API Call: The API being called may not exist, or the parameters being passed to the API may be incorrect or incomplete.
  Authorization Issues: The user or system making the API call may not have the necessary authorizations to execute the API.
  
  Configuration Issues: There may be configuration problems in the system that prevent the API from being called correctly.
  Version Mismatch: If there are different versions of the API or if the API has been deprecated, this can lead to invalid calls.
  Network Issues: If the API is being called over a network, connectivity issues can also lead to this