How To Fix CP046 - Task list & / & is inconsistent due to duplicated operation numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: CP - Task list messages: Core data

• Message number: 046

• Message text: Task list & / & is inconsistent due to duplicated operation numbers

What causes this issue?

You have added to this task list at least one operation or suboperation
that already exists in another version of the task list.
An operation or suboperation must have one unique number in the lifetime
of a task list. This number cannot exist twice.

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

System Response

The system cannot save this task list with this inconsistency in the
operation numbers.

How to fix this error?

Use unique numbers for operations and suboperations. Check the operation
numbers against the operation numbers of other task list versions, to
see
whether the numbers have already been used. Do not use any numbers more
than once.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CP046 - Task list & / & is inconsistent due to duplicated operation numbers ?

  The SAP error message CP046 indicates that there is an inconsistency in a task list due to duplicated operation numbers. This typically occurs in the context of production planning and control, where task lists (or routings) are used to define the sequence of operations required to produce a product.
  Cause:
  The error CP046 arises when:
  
  Duplicate Operation Numbers: The task list contains two or more operations with the same operation number. Each operation in a task list should have a unique identifier.
  Data Entry Errors: During the creation or modification of the task list, an operator may inadvertently enter the same operation number for different operations.
  System Migration or Data Upload Issues: If data has been migrated from another system or uploaded in bulk, it may lead to inconsistencies if not properly validated.
  
  Solution:
  To resolve the CP046 error, you can follow these steps:
  
  
  Identify the Task List: Determine which task list is causing the error. The error message should provide the task list number and the operation numbers involved.
  
  
  Check for Duplicates:
  
  Go to the transaction code CA03 (Display Routing) or CA02 (Change Routing).
  Enter the task list number and check the operations listed.
  Look for any duplicate operation numbers.
  
  
  
  Correct the Duplicates:
  
  If duplicates are found, you will need to either delete the duplicate operation or renumber it to ensure that all operations have unique identifiers.
  Make sure to save the changes after correcting the duplicates.
  
  
  
  Validate the Task List: After making changes, validate the task list to ensure that it is now consistent and does not contain any further errors.
  
  
  Test the Changes: If applicable, test the task list in a production scenario to ensure that it functions as expected without causing further issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  CA03 - Display Routing
  CA02 - Change Routing
  CA01 - Create Routing
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to task list inconsistencies.
  Documentation: Review SAP documentation on task lists and routings to understand best practices for maintaining them.
  
  By following these steps, you should be able to resolve the CP046 error and ensure that your task lists are consistent and functional.