How to fix ESXi error - Module 'MonitorLoop' power on failed

Symptom

When Powering ON a VM on ESXi, the error occurs

Power On VM
Key                haTask-2-vim.VirtualMachine.powerOn-164454246
Description        Power On this virtual machine
Virtual machine
State              Failed - Module 'MonitorLoop' power on failed.
Errors
    Module 'MonitorLoop' power on failed.
    File system specific implementation of Lookup[file] failed
    File system specific implementation of LookupAndOpen[file] failed
    Failed to extend swap file from 0 KB to 67108864 KB.
    Current swap file size is 0 KB.
    Failed to extend the virtual machine swap file
    Could not power on virtual machine: No space left on device.
    Failed to power on VM.
    Failed to start the virtual machine.

How to fix

due to disk space shortage

• either decrease VM RAM or add vmfs