Ubuntu System Update

[ 0.000000] kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

[ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-43-generic #46-Ubuntu

[ 0.000000] Hardware name: Generic System/Motherboard, BIOS 1.12.0 01/01/2022

[ 0.000000] Call Trace:

[ 0.000000] <TASK>

[ 0.000000] dump_stack_lvl+0x45/0x59

[ 0.000000] panic+0x10c/0x2e3

[ 0.000000] mount_block_root+0x144/0x1e1

[ 0.000000] mount_root+0x10c/0x11c

[ 0.000000] prepare_namespace+0x13f/0x18d

[ 0.000000] kernel_init_freeable+0x244/0x268

[ 0.000000] ? rest_init+0xd0/0xd0

[ 0.000000] kernel_init+0x1a/0x130

[ 0.000000] ret_from_fork+0x22/0x30

[ 0.000000] </TASK>

Kernel Offset: disabled

---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]---