How To Fix WER156 - Parameter &1 must be of type element, structure or table

WER156 - Overview

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 156

• Message text: Parameter &1 must be of type element, structure or table

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 WER156 - Parameter &1 must be of type element, structure or table ?

  Certainly! Here's a detailed explanation for the SAP error message WER156: Parameter &1 must be of type element, structure or table:
  
  Error Message
  WER156: Parameter &1 must be of type element, structure or table
  
  Cause
  This error occurs when a parameter in a function module, method, or form routine is expected to be a data object of type element, structure, or table, but the actual parameter passed or declared is of an incompatible type.
  In SAP ABAP, parameters that are passed to function modules or methods must be of certain data types. The system expects the parameter to be a single data element (element), a structured data type (structure), or an internal table (table). If the parameter is declared as a reference type, a field symbol, or some other incompatible type, this error will be raised.
  Common scenarios causing this error:
  
  Passing a reference variable instead of a data object.
  Declaring a parameter as a field symbol or