How To Fix CY123 - Please enter a unique sort sequence

CY123 - Overview

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 123

• Message text: Please enter a unique sort sequence

What causes this issue?

On the options screen of the detailed capacity list, you can enter a
sort sequence for the orders (order, start date, finish date, delivery
date, priority). The sort sequence must be unique, that is, an item
in the sequence may only occur once.

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 the sort sequence you have entered.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CY123 - Please enter a unique sort sequence ?

  The SAP error message CY123: "Please enter a unique sort sequence" typically occurs in the context of creating or modifying a sort sequence in SAP, particularly in the areas of material management or logistics. This error indicates that the sort sequence you are trying to enter is not unique, meaning that there is already an existing sort sequence with the same identifier or criteria.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the sort sequence you are trying to create or modify already exists in the system.
  Incorrect Data Entry: There may be a mistake in the data entry, such as entering the same sort criteria or identifier as an existing one.
  
  Configuration Issues: In some cases, the configuration settings in the system may not allow for duplicate sort sequences.
  
  
  Solution:
  
  
  Check Existing Sort Sequences: Before creating a new sort sequence, check the existing sort sequences in the system to ensure that