How To Fix PK164 - You can only make one entry for a supply source

PK164 - Overview

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 164

• Message text: You can only make one entry for a supply source

What causes this issue?

You can display the source view as follows:
for in-house production, you can display the area of a responsible
person
for external procurement, you can display data for a particular vendor
for delivery from another plant, you can display the delivering plant
for stock transfer, you can display the delivering storage location

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?

Please make the appropriate entries for a source.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PK164 - You can only make one entry for a supply source ?

  The SAP error message PK164, which states "You can only make one entry for a supply source," typically occurs in the context of planning and procurement processes, particularly when dealing with supply sources in the SAP system. This error indicates that there is an attempt to assign multiple supply sources to a single planning object (like a material or a production order) where only one is allowed.
  
  Cause:
  
  Multiple Supply Sources: The primary cause of this error is that the system has detected multiple supply sources assigned to a single material or planning object, which violates the business rules set in the system.
  
  Configuration Issues: There may be configuration settings in the material master or in the planning settings that restrict the number of supply sources.
  Data Entry Errors: Users may have inadvertently entered multiple supply sources in the relevant fields during data entry.
  
  
  Solution:
  
  Review Supply Source Assignments: Check the supply source assignments for the