How To Fix CRM_MKTCA_UI001 - Optimization element '&1' does not have exactly one predecessor

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MKTCA_UI - Messages from Campaign Automation UIs (Without BE Maint)

• Message number: 001

• Message text: Optimization element '&1' does not have exactly one predecessor

What causes this issue?

The optimization element with name "&V1&" for campaign '&V2&' does not
have exactly one preceding node.

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?

If you want to keep the optimization element, provide it with exactly
one campaign element preceding node. The indicator "Start for every
reactor" cannot be set for this campaign element.

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 CRM_MKTCA_UI001 - Optimization element '&1' does not have exactly one predecessor ?

  The SAP error message CRM_MKTCA_UI001 indicates that there is an issue with the optimization element in the context of the SAP Customer Relationship Management (CRM) Marketing module. Specifically, the error states that the optimization element identified by &1 does not have exactly one predecessor, which is a requirement for the optimization process to function correctly.
  Cause:
  
  Multiple Predecessors: The optimization element may have been configured with multiple predecessors, which violates the requirement that it should have exactly one predecessor.
  Data Integrity Issues: There may be inconsistencies or errors in the underlying data that define the relationships between optimization elements.
  Configuration Errors: The configuration of the marketing campaign or optimization process may not have been set up correctly, leading to this error.
  System Bugs: In some cases, this could be due to a bug in the SAP system or a specific version of the software.
  
  Solution:
  
  
  Check Predecessor Relationships:
  
  Navigate to the relevant optimization element in the SAP system.
  Review the predecessor relationships to ensure that there is only one predecessor defined. If there are multiple, you will need to adjust the configuration to ensure that only one is present.
  
  
  
  Data Validation:
  
  Validate the data associated with the optimization element. Ensure that all relationships are correctly defined and that there are no orphaned or incorrectly linked elements.
  
  
  
  Configuration Review:
  
  Review the configuration settings for the marketing campaign or optimization process. Ensure that all settings align with the requirements for the optimization elements.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or help resources for guidance on the specific optimization element and its requirements.
  
  
  
  System Update:
  
  If you suspect a bug, check for any available updates or patches for your SAP system that may address this issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message and any relevant details about your configuration.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP CRM that pertain to marketing and optimization processes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.