Yes a crashed table needs to be repaired. For future reference you know that if you have a mysql issue like that with the debug option on and logged in as admin you should be able to see the real error.
As noted yes you would need to renew your members access to post for product support based off your license agreement. A license comes with one year code updates and product support.
Your version has to be fairly older it looks like you will eventually need to update and should look at PP8.