How To Fix PHIL120 - External number already in use; enter a new number

PHIL120 - Overview

• Message type: E = Error

• Message class: PHIL - Singapore and the Philippines

• Message number: 120

• Message text: External number already in use; enter a new number

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PHIL120 - External number already in use; enter a new number ?

  The SAP error message PHIL120, which states "External number already in use; enter a new number," typically occurs when you are trying to create a new document (such as a purchase order, sales order, or any other document that uses external numbering) and the number you are attempting to use is already assigned to another document in the system.
  
  Cause:
  
  Duplicate Numbering: The number you are trying to use is already assigned to another document. This can happen if the external number range is not properly managed or if there is a manual entry that conflicts with the system's automatic numbering.
  Number Range Configuration: The number range for the document type you are trying to create may not be set up correctly, or it may be exhausted.
  Data Migration Issues: If data has been migrated from another system, there may be conflicts with existing numbers.
  
  
  Solution:
  
  Use a Different Number: The simplest solution is to enter