1 fix to try is to run the following commands as root via SSH.
cd /scripts
./updatenow
./mysqlup --force
./upcp --force
./fixeverything
This updates the missing MySQL Client libaries and completed the setup for eximstats.
If this does not work you need to create the missing 'eximstats' mysql account which is used to store and access the data for the 'eximstat' application. Sometimes you may also need to create the missing SQL tables and other data.
