How To Fix /LIME/CORE128 - External document number must be set

/LIME/CORE128 - Overview

• Message type: E = Error

• Message class: /LIME/CORE -

• Message number: 128

• Message text: External document number must be set

Self-Explanatory Message

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/LIME/CORE128 - Details

• The SAP error message /LIME/CORE128 indicating that "External document number must be set" typically arises in the context of document management or when dealing with external documents in SAP systems, particularly in the Logistics Information Management Environment (LIME) or similar modules.
  
  Cause:
  This error usually occurs when a transaction or process requires an external document number to be specified, but it has not been provided. The external document number is often a reference to documents that are outside of the SAP system, such as invoices, contracts, or other relevant documents that need to be linked to the SAP transaction.
  
  Solution:
  To resolve this error, you should take the following steps:
  
  
  Check the Transaction: Review the transaction you are trying to execute. Ensure that you are in the correct screen where the external document number is required.
  
  
  Enter External Document Number: If the field for the external document number is available, make sure to enter a valid