How To Fix /PM0/3FW_CHK_MESS320 - CHECK: &1 object &2 is used more than once. By &3 and &4

/PM0/3FW_CHK_MESS320 - Overview

• Message type: E = Error

• Message class: /PM0/3FW_CHK_MESS -

• Message number: 320

• Message text: CHECK: &1 object &2 is used more than once. By &3 and &4

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FW_CHK_MESS320 - CHECK: &1 object &2 is used more than once. By &3 and &4 ?

  The SAP error message /PM0/3FW_CHK_MESS320 indicates that a specific object (like a work center, material, or any other entity) is being used more than once in a context where it should only be used once. This typically occurs in scenarios involving planning, scheduling, or resource allocation where unique assignments are required.
  
  Cause:
  The error is triggered when:
  
  An object (e.g., a work center or resource) is assigned to multiple tasks or operations in a way that violates the system's constraints.
  There may be overlapping assignments in a project or maintenance plan.
  The configuration or master data setup may have duplicates or incorrect relationships.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Objects: Check the details provided in the error message. The placeholders &1, &2, &3, and &4 will give you specific information about the object type, the object ID, and the conflicting assignments.
  
  
  Review Assignments: Go to the relevant transaction or module (like PM,