How To Fix CN263 - Maximum item number reached (see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 263

• Message text: Maximum item number reached (see long text)

What causes this issue?

You are adding a component.

System Response

The system assigns each component an internal item number. The range of
possible item numbers from 9000 to 9999 is exhausted.

How to fix this error?

Contact your consultant or the SAP Hotline. If necessary, apply note
131904.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CN263 - Maximum item number reached (see long text) ?

  The SAP error message CN263 "Maximum item number reached (see long text)" typically occurs in the context of project management or when dealing with network activities in SAP. This error indicates that the maximum number of items (such as activities, components, or other elements) that can be added to a particular project or network has been exceeded.
  Cause:
  
  Item Limit Exceeded: Each project or network in SAP has a predefined limit on the number of items that can be included. This limit is set in the system configuration and can vary based on the specific implementation or version of SAP.
  Configuration Settings: The maximum number of items allowed may be configured in the system settings, and if your project exceeds this limit, the error will be triggered.
  Data Entry Errors: Sometimes, the error may arise from incorrect data entry or duplication of items that inadvertently increases the count.
  
  Solution:
  
  Review Item Count: Check the number of items currently in the project or network. You can do this by navigating to the relevant project or network in SAP and reviewing the list of items.
  Delete Unnecessary Items: If there are items that are no longer needed, consider deleting them to free up space for new entries.
  Increase Maximum Limit: If your business process requires more items than the current limit allows, you may need to consult with your SAP administrator or technical team to increase the maximum item limit in the configuration settings.
  Split Projects: If feasible, consider splitting the project into multiple smaller projects or networks to stay within the item limit.
  Consult Documentation: Refer to the SAP documentation or help files for specific guidance on the maximum item limits for your version of SAP.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this issue.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CN21 (Create Network) to manage your projects and networks effectively.
  User Roles and Permissions: Ensure that you have the necessary permissions to modify project structures, as restrictions may also lead to issues when trying to add items.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.