How To Fix MW166 - Rounding indicator (&) is of wrong type (&)

MW166 - Overview

• Message type: E = Error

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

• Message number: 166

• Message text: Rounding indicator (&) is of wrong type (&)

What causes this issue?

Value &V2& is not allowed for the rounding indicator.

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

INCLUDE ISR_SYSTEMFEHLER

Error message extract from SAP system. Copyright SAP SE.

MW166 - Details

• The SAP error message MW166, which states "Rounding indicator (&) is of wrong type (&)," typically occurs in the context of material management and inventory management processes, particularly when dealing with rounding rules for quantities or amounts in transactions.
  
  Cause:
  The error is usually caused by one of the following issues:
  
  
  Incorrect Rounding Indicator: The rounding indicator specified in the transaction or configuration does not match the expected type. For example, it may be expecting a specific format or type of rounding indicator that is not being provided.
  
  
  
  Configuration Issues: There may be a misconfiguration in the material master data or in the settings related to the rounding rules in the system.
  
  
  Data Entry Errors: Users may have entered an invalid rounding indicator in the transaction, leading to this error.
  
  
  Custom Development: If there are custom programs or enhancements in place, they may not be handling rounding indicators correctly.
  
  
  
  Solution:
  To resolve the MW166 error, you can take