Table is marked as crashed and should be repaired

Solution:1

Here is where the repair button is:

Solution:2

Run this from your server’s command line:

 mysqlcheck --repair --all-databases

Solution:3

I had the same issue when my server free disk space available was 0

You can use the command (there must be ample space for the mysql files)

REPAIR TABLE `<table name>`;

for repairing individual tables