How To Fix INV201 - You can only call this method one time for each instance

INV201 - Overview

• Message type: E = Error

• Message class: INV - Check for Bill Receipt

• Message number: 201

• Message text: You can only call this method one time for each instance

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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Smart SAP Assistant

• What is the cause and solution for SAP error message INV201 - You can only call this method one time for each instance ?

  The SAP error message INV201, which states "You can only call this method one time for each instance," typically occurs in the context of SAP Business Workflow or when working with Business Object methods in SAP. This error indicates that a specific method of a business object can only be executed once per instance, and any subsequent calls to that method for the same instance will result in this error.
  
  Cause:
  
  Method Limitation: The method you are trying to call has been designed to be executed only once per instance. This is often the case for methods that change the state of the object or perform an action that cannot be repeated.
  Incorrect Logic: The logic in your code or workflow may be attempting to call the method multiple times for the same instance, which violates the method's constraints.
  State Management: The instance may already be in a state that indicates the method has