How To Fix XC221 - Supply relationship with identical start and dest. locations not allowed

XC221 - Overview

• Message type: E = Error

• Message class: XC - Message Class for Core Interface

• Message number: 221

• Message text: Supply relationship with identical start and dest. locations not allowed

What causes this issue?

Supply relationships from the ERP system are created in SAP APO as
transportation lanes. Transportation lanes whose start and destination
locations are identical are not allowed in SAP APO.

System Response

The system does not create the transportation lane from &V1& to &V1&.

How to fix this error?

Check the supply relationship in the sending system and the
corresponding transportation lane in SAP APO.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message XC221 - Supply relationship with identical start and dest. locations not allowed ?

  The SAP error message XC221 indicates that there is a supply relationship defined in the system where both the start and destination locations are identical. This situation is not allowed in SAP, as it does not make sense to have a supply relationship where the source and target are the same.
  
  Cause:
  The error typically arises in scenarios involving:
  
  Supply Chain Management (SCM): When defining supply relationships in the SAP Advanced Planning and Optimization (APO) module or similar SCM modules.
  Master Data Configuration: When setting up supply relationships in the system, if the same location is mistakenly assigned as both the source and destination.
  
  
  Solution:
  To resolve this error, you should:
  
  Review Supply Relationships: Go to the relevant transaction (e.g., /SAPAPO/SUPPLY) and check the supply relationships defined in the system.
  Identify the Problematic Entry: Look for entries where the start location and destination location are the same.
  Modify or Delete the Entry: 
  If the entry is incorrect, modify it