How To Fix EZ800 - Internal error: Parameter &1 was not supplied in FM &2

EZ800 - Overview

• Message type: E = Error

• Message class: EZ - Print workbench

• Message number: 800

• Message text: Internal error: Parameter &1 was not supplied in FM &2

What causes this issue?

A parameter of a function module was not filled.

System Response

The system cannot continue processing.

How to fix this error?

INCLUDE ABANA_FICA_DWB_OSS OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

EZ800 - Details

• The SAP error message EZ800, which states "Internal error: Parameter &1 was not supplied in FM &2," typically indicates that a function module (FM) is being called without providing all the required parameters. This can occur in various scenarios, such as when a program or a function module is executed, and it expects certain input parameters that are not being passed correctly.
  
  Cause:
  
  Missing Parameters: The most common cause is that the function module is defined with certain parameters that are mandatory, but the calling program does not supply them.
  Incorrect Function Module Call: The function module might be called incorrectly, either due to a typo in the parameter name or by not following the expected interface.
  Changes in Function Module: If the function module has been modified (e.g., parameters added or changed) and the calling program has not been updated accordingly, this error can occur.
  Dynamic Calls: If the function module is called dynamically