Cannot Start VM - Exit Code 255

Hi

I'm getting an error trying to start a new VM. There are only two VMs on the Proxmox server and one of them is running fine. However, when I go to start the new one, I'm getting the following error:

Error: command 'ha-manager set vm:101 --state started' failed: exit code 255

It's a dedicated server running Proxmox VE 5.1 with ZFS.

2x480 GB SSD in a ZFS Mirror for the ZIL and L2ARC
2X2 TB HDD in a ZFS Mirror
64 GB Ram
Xeon 4 Core (8T)

The VM that won't start is configured with 1 GB...

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