No eligible delegate was able to confirm that it has the capability to perform

Delegate is showing connected in Harness. When initializing pipeline, seeing the following message in delegate.log
ERROR software.wings.delegatetasks.validation.AbstractDelegateValidateTask - Unexpected error validating delegate task. [taskId=0PVvLe2bRN2QeogCWP-LWg]
java.lang.NullPointerException: null