How To Fix MW403 - Invalid parameter & for switch number assignment

MW403 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 403

• Message text: Invalid parameter & for switch number assignment

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

INCLUDE ISR_SYSTEMFEHLER

Procedure for System Administrators

When a function module / form routine was called, the parameter for
number assignment was assigned wrongly. This is probably a program
error.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW403 - Invalid parameter & for switch number assignment ?

  The SAP error message MW403, which states "Invalid parameter & for switch number assignment," typically occurs in the context of material management and inventory management processes. This error is related to the assignment of switch numbers for materials, which are used in various inventory and logistics operations.
  
  Cause:
  The error can be triggered by several factors, including:
  
  Invalid Switch Number: The switch number being referenced may not exist or may not be valid for the material or operation being performed.
  Incorrect Parameter: The parameter being passed to the function or transaction may not be in the expected format or may not meet the required criteria.
  
  Configuration Issues: There may be issues with the configuration settings in the system related to material management or inventory management.
  Data Integrity Issues: There could be inconsistencies or corruption in the master data related to materials or switch numbers.
  
  
  Solution:
  To resolve the MW403 error, you can take the following steps:
  
  
  Check the Switch