The total memory size allocated to all VMs is larger then available host memory ({(sum(/acrn-config//vm[load_order != 'SERVICE_VM']//memory/size) + sum(/acrn-config//vm[load_order != 'SERVICE_VM']//size_hpa))} MB > {sum(//memory/range[not(@id)]/@size) div 1048576} MB). Reduce total allocated User VM memory size.