hotplug cpu

Hi When I want to hotplug vCPU and increase it, I will get below error : Parameter verification failed. (400) vcpus: hotplug problem - you can't add more vcpus than maxcpus while the "CPU limit" is unlimited . I'm using proxmox VE 7.2

Hello, I know this has been talked about on this forum alreadyit , but I haven't been able to solve it with the provided solutions. I'm using Ubuntu 20.04 on Proxmox 6.4-13 and I'm trying to add live several cpu cores. I've added the udev rule documented here...

I just configured hotplug for CPUs and RAM on one of my VMs and have been testing it. Hotplug for the CPU and RAM work but unplug fails every time with the error: Parameter verification failed. (400) vcpus: hotplug problem - 400 Parameter verification failed. vcpus: error unplugging cpu4...