Transferring from Reseller to VPS

Not very techy - I am getting this database error when I switch over to nameservers on VPS I host at hostgator and using 7.09

Fatal error: Call to a member function getRow() on a non-object in /home/kaylin/public_html/inc/utils.inc.php on line 421

I have no idea what this means any help would be greatly appreciated  Thanks in advance

fixed it. Had to add and assign a User and Password for database....

hi i am getting similar error 

can u advise how u fixed it.

i am also using hostgator

 He added and assigned a user and password for the database.. in other words make sure what you have in /inc/header.inc.php matches what you have in Cpanel->Mysql Databases.

I checked and its there ..

Also I checked with my hosting company and the said..

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The database information does appear to be correct since we are able to log in with the credentials that are setup. Looking over line 421 I see the following 

$aRealRecipient = $GLOBALS['MySQL']->getRow("SELECT * FROM `Profiles` WHERE `Email`='" . process_db_input($sRecipientEmail, BX_TAGS_NO_ACTION, BX_SLASHES_NO_ACTION) . "' LIMIT 1"); 

When attempting to run the above query it returns empty. Which could be the reason why you are receiving that error. I was not able to receive the error though does the error only show up once you are logged in to the site? 

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I am not sure what's next.. as mysql details are same in /inc/header.inc.php

Does the user you created have full db access in Cpanel->Mysql?

same problem is coming to me help me out