How To Fix M3528 - Value will be reset (in-house prod. time dep. on lot size exists already)

M3528 - Overview

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 528

• Message text: Value will be reset (in-house prod. time dep. on lot size exists already)

What causes this issue?

You have entered an in-house production time, although you have already
specified lot size dependent in-house production times for the material
(see the <LS>Work scheduling 2</> screen).

System Response

The system resets the value you have entered because it does not make
sense to specify both lot size dependent and lot size independent
in-house production times for a material.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

M3528 - Details

• The SAP error message M3528, which states "Value will be reset (in-house prod. time dep. on lot size exists already)," typically occurs in the context of production planning and control within the SAP system. This error is related to the configuration of in-house production times that are dependent on lot sizes.
  
  Cause:
  The error arises when there is an attempt to change or set a value for in-house production time in a material master record or a routing, but the system detects that there is already a dependency on lot size defined for that material. In other words, if there are existing settings that specify different production times based on different lot sizes, the system will not allow you to set a fixed value for in-house production time, as it would conflict with the existing lot size-dependent settings.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Settings: 
  
  Go to the