How To Fix E0551 - Error during internal number assignment for port names

E0551 - Overview

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 551

• Message text: Error during internal number assignment for port names

What causes this issue?

An internal number could not be assigned for the number '01' for the
number range object EDIPORT.

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 check whether the number range object EDIPORT is available with
the interval '01' for internal number assignment.
If it is not yet available, then create the interval.
If the interval is available, a Basis error must be involved. In this
case, please contact your administration and, if necessary, the SAP
Hotline.

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ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0551 - Error during internal number assignment for port names ?

  The SAP error message E0551, which states "Error during internal number assignment for port names," typically occurs when there is an issue with the internal number assignment for ports in the SAP system. This can happen in various contexts, such as when configuring communication between systems or when setting up interfaces.
  Causes:
  
  Number Range Issues: The number range for the port names may not be properly defined or may be exhausted.
  Configuration Errors: There may be misconfigurations in the settings related to the ports or communication channels.
  Authorization Issues: The user may not have the necessary authorizations to create or modify port names.
  System Errors: There could be underlying system issues or inconsistencies in the database.
  
  Solutions:
  
  
  Check Number Ranges:
  
  Go to transaction code SNRO (Number Range Objects).
  Look for the relevant number range object associated with port names (e.g., EIPORT).
  Check if the number range is defined correctly and if it has available numbers. If it is exhausted, you