[ovirt-users] oVirt self-hosted Engine [Failed to acquire lock: error -243]

Hello all, I installed ovirt self-hosted engine. Unfortunately, the engine VM was suddenly shutdown. And later, it automatically powered on. The engine admin console showed the following error. VM HostedEngine is down with error. Exit message: resource busy: Failed to acquire lock: error -243. I would like to know what is this error message is talking about and how to solve this error. I would like to first thank all of you help me to solve this issue. Regards, Terry