How To Fix ACO_BSP021 - Selection for assignments between roles and tasks is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: ACO_BSP - Messages for Package ACO_BSP

• Message number: 021

• Message text: Selection for assignments between roles and tasks is invalid

What causes this issue?

You want to assign resources to tasks. You have selected multiple tasks
and multiple resources for this purpose or you have not selected any
tasks.

System Response

The system issues a message and does not create any assignments.

How to fix this error?

Select:
A single task and at least one resource
or
A single resource and at least one task
Choose <LS>Assign Resource</>.

Procedure for System Administrators

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 ACO_BSP021 - Selection for assignments between roles and tasks is invalid ?

  The SAP error message ACO_BSP021 indicates that there is an issue with the selection of assignments between roles and tasks in the system. This error typically arises in the context of SAP Business Workflow or when managing authorizations and roles in the SAP system.
  Cause:
  
  Invalid Role or Task Assignment: The error may occur if there is an attempt to assign a role to a task that is not valid or does not exist in the system.
  Configuration Issues: There may be configuration issues in the role management or task management settings.
  Authorization Problems: The user may not have the necessary authorizations to perform the assignment.
  Data Inconsistencies: There could be inconsistencies in the data related to roles and tasks, such as missing entries or incorrect mappings.
  
  Solution:
  
  Check Role and Task Definitions: Verify that the roles and tasks you are trying to assign are correctly defined in the system. Ensure that they exist and are active.
  Review Assignments: Go through the existing assignments to ensure that there are no invalid or obsolete entries. Remove or correct any that are found.
  Authorization Check: Ensure that the user performing the assignment has the necessary authorizations to make changes to roles and tasks.
  Configuration Review: Check the configuration settings related to role and task management. Ensure that they are set up correctly according to your organization's requirements.
  Data Consistency Check: Run consistency checks on the role and task data to identify and rectify any inconsistencies.
  Consult Documentation: Refer to SAP documentation or notes related to role and task management for any specific guidelines or troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as PFCG (Profile Generator) for role management and SU01 (User Maintenance) for user management.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the ACO_BSP021 error and implement a solution to resolve it.