How To Fix ARUN_MAIN018 - Cannot set Adv. plan. Ind. and ARun fields together for matl &1, plant &2

ARUN_MAIN018 - Overview

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 018

• Message text: Cannot set Adv. plan. Ind. and ARun fields together for matl &1, plant &2

What causes this issue?

You have defined a value for advanced planning indicator for a material
relevant to Supply Assignment (ARun) or you have set the ARun field for
a material with advanced planning indicator is defined.

System Response

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

How to fix this error?

For a material, define a value for either the advanced planning
indicator or for ARun field. You cannot define both the fields together.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ARUN_MAIN018 - Cannot set Adv. plan. Ind. and ARun fields together for matl &1, plant &2 ?

  The SAP error message ARUN_MAIN018 indicates that there is an issue with setting the Advanced Planning Indicator (Adv. plan. Ind.) and the ARun fields simultaneously for a specific material and plant combination. This error typically arises in the context of Advanced Planning and Optimization (APO) or similar planning scenarios in SAP.
  
  Cause:
  The error occurs when there is an attempt to set both the Advanced Planning Indicator and the ARun fields for a material in a specific plant. This is not allowed because these fields are mutually exclusive; you can only set one of them at a time. The Advanced Planning Indicator is used to determine whether a material is subject to advanced planning processes, while the ARun fields are used for other planning scenarios.
  
  Solution:
  To resolve this error, you need to ensure that you are not trying to set both the Advanced Planning Indicator and the ARun fields for the same material