What the bot is referring to, I think, is that your disk seems to be
failing. So the disk probably needs replacing before proceeding
further...
[ 345.930284] ata1.00: exception Emask 0x0 SAct 0x2000 SErr 0x0 action 0x0
[ 345.930287] ata1.00: irq_stat 0x4008
[ 345.930290] ata1.00: failed com
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Reviewing your dmesg attachment in this bug report it
seems that there is a problem with your hardware. I recommend
performing a back up and then investigating the situation. Measures you
might take include check