Learning Assignment Withdrawal rule not working as expected

Summary:

Content (please ensure you mask any confidential information):

We have below requirement from client,

Scenario 1 - If learner withdraws a course/specialization then it should go for approval.

Scenario 2 - if learner withdraws from any offerings, then it should be self-approved.

Approval rule for scenario 1

The approval transaction is failing with this rule setup with error " no approver"

ERRORexception.severity: 2exception.name: Ruleset did not return any results.exception.description: Reconfigure the conditions in the rule set LearningAssignmentWithdrawalApproval for the task LearningAssignmentWithdrawalApproval so that approvers are found.exception.fix: Model the ruleset so that it returns a list builder specification.