Called db_res function with erroneous argument #0

Can any some one please help with error, when ever I try to install a mod I get this error, any mod I try to install same error.

Called db_res function with erroneous argument #0

Hello!

In your bug report mail you can find detailed report of this error with getting exact place where function db_res was called with wrong parameter. Send me this report via PM, i'll check what can be wrong.

Regard

Now I get this new one

Error
SQL query:
MySQL said: 

#1048 - Column 'Name' cannot be null

I have the same thing!

I have this error also. How do I fix this?

I will learn you and easy way to fix this problem . see youtube video for complete tutorial http://www.youtube.com/watch?v=6H2SuPozfEg