How To Fix O1220 - If material is external, taxes have to be external too.

O1220 - Overview

• Message type: E = Error

• Message class: O1 - IS-Oil : Message pool exchanges

• Message number: 220

• Message text: If material is external, taxes have to be external too.

What causes this issue?

You defined the material to be posted externally but the taxes to be
posted internally.

System Response

Error

How to fix this error?

Check your entries and define the taxes to be posted externally or the
material to be posted internally.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O1220 - If material is external, taxes have to be external too. ?

  The SAP error message O1220, which states "If material is external, taxes have to be external too," typically occurs in the context of procurement and inventory management when dealing with materials that are classified as external (i.e., materials that are procured from outside the organization).
  
  Cause:
  This error arises when there is a mismatch between the tax settings for the material and the tax settings for the procurement process. Specifically, it indicates that the system expects the tax type for an external material to be set as "external" (i.e., taxes that are applied to goods purchased from outside the organization), but it has detected that the tax type is set differently (e.g., as "internal" or not set at all).
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record for the affected material (transaction code MM03).
  Check the tax classification in the accounting view. Ensure that