How To Fix 5W023 - Prefix number: entry missing for system & client &

5W023 - Overview

• Message type: E = Error

• Message class: 5W - Messages for PD (Particularly Workflow)

• Message number: 023

• Message text: Prefix number: entry missing for system & client &

What causes this issue?

Tasks, rules, and workflow definitions require an ID that is unique
throughout all systems and clients. In this way, you can ensure that
you can transport these objects from one system into another at any
time (without restrictions). From a technical point of view, the
uniqueness of the ID is ensured by what is known as a "prefix number".
You can define a separate prefix number for every system and every
client in table T78NR.

System Response

If a prefix number is not defined in the client in which you are
currently working, it is not possible to maintain (maintenance
terminates).

How to fix this error?

Maintain table T78NR in <DS:SIMG.SIMG_WF15OOW4>Customizing</>, and
create an entry for the system in question and the current client.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5W023 - Prefix number: entry missing for system & client & ?

  The SAP error message 5W023 indicates that there is a missing entry for a specific prefix number in the system and client you are working with. This error typically arises in the context of document numbering, such as when creating invoices, purchase orders, or other documents that require a unique identifier.
  
  Cause:
  The error can occur due to several reasons:
  
  Missing Configuration: The prefix number for the document type you are trying to create has not been defined in the system for the specified client.
  Incorrect Client: You may be working in the wrong client where the prefix number has not been set up.
  Transport Issues: If the configuration was recently transported from another system, the transport may not have included the necessary prefix number entries.
  Custom Development: If there are custom developments or modifications in the system, they may not have accounted for the required prefix numbers.
  
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check