How To Fix FDT_EXPRESSIONS186 - Invalid method input

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_EXPRESSIONS - Formula & Derivation Tool: Expressions

• Message number: 186

• Message text: Invalid method input

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_EXPRESSIONS186 - Invalid method input ?

  The SAP error message FDT_EXPRESSIONS186: Invalid method input typically occurs in the context of using the SAP Fiori or SAP S/4HANA applications, particularly when dealing with expressions in the context of the FDT (Form Data Tool) or similar functionalities. This error indicates that there is an issue with the input parameters provided to a method or function within the application.
  Causes:
  
  Incorrect Input Values: The input values provided to a method may not meet the expected format or type. For example, if a method expects a numeric value and receives a string, this error can occur.
  Missing Required Parameters: If the method requires certain parameters that are not provided, it can lead to this error.
  Data Type Mismatch: The data types of the inputs may not match the expected types defined in the method signature.
  Business Logic Violations: The input may violate certain business rules or logic defined in the application.
  
  Configuration Issues: There may be