How To Fix JIT00661 - There is already an entry for material &1

JIT00661 - Overview

• Message type: E = Error

• Message class: JIT00 - JIT: Messages for JIT Process

• Message number: 661

• Message text: There is already an entry for material &1

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message JIT00661 - There is already an entry for material &1 ?

  The SAP error message JIT00661, which states "There is already an entry for material &1," typically occurs in the context of Just-In-Time (JIT) processing. This error indicates that there is an attempt to create a new entry for a material that already exists in the system for the specified context (e.g., JIT delivery schedule, planning, etc.).
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that there is already an existing entry for the specified material in the JIT delivery schedule or related documents.
  Incorrect Data Entry: There may be a mistake in the data entry process, leading to an attempt to create a duplicate record.
  System Configuration: Sometimes, the system configuration or settings may lead to conflicts or duplicate entries being generated.
  
  
  Solution:
  
  
  Check Existing Entries: 
  
  Use transaction codes like JIT1, JIT2, or JIT3 to check for existing JIT delivery schedules or entries for the material in question.
  Verify if the material already has