I am not familiar with Linux/ Unix and I encountered a corruption.
How do I repair this?
Warning: mysql_num_rows():supplied argument is not a valid MySQL result resource in usr/local/apache2/htdocs/vicidial/AST_timeonVDADall.php

Try repair command to repair your database
mysql> repair table tablename;

If you fail to repair your database with above command than you need third party mysql repair tool to repair your database.

I am not familiar with Linux/ Unix and I encountered a corruption.
How do I repair this?
Warning: mysql_num_rows():supplied argument is not a valid MySQL result resource in usr/local/apache2/htdocs/vicidial/AST_timeonVDADall.php

That is error in PHP script.
If you are a dev. fix it or else seek for help to right people

I am not familiar with Linux/ Unix and I encountered a corruption.
How do I repair this?
Warning: mysql_num_rows():supplied argument is not a valid MySQL result resource in usr/local/apache2/htdocs/vicidial/AST_timeonVDADall.php

Just use any MySQL Repair software and resolve the issue.