Issue with linking Testlink to Scarab

[Sandelk]

When linking testlink to the scarab defect managmeent tool, we get the following error:
DB Access Error - debug_print_backtrace() OUTPUT START
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#0 database->exec_query(SET CHARACTER SET utf8) called at [G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php:134]
#1 bugtrackingInterface->connect() called at [G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php:376]
#2 require_once(G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php) called at [G:\Xampp\xampp\htdocs\testlink\lib\execute\execSetResults.php:78]

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DB Access Error - debug_print_backtrace() OUTPUT START
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#0 database->exec_query(SET NAMES utf8) called at [G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php:135]
#1 bugtrackingInterface->connect() called at [G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php:376]
#2 require_once(G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php) called at [G:\Xampp\xampp\htdocs\testlink\lib\execute\execSetResults.php:78]

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DB Access Error - debug_print_backtrace() OUTPUT START
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#0 database->exec_query(SET collation_connection = 'utf8_general_ci') called at [G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php:136]
#1 bugtrackingInterface->connect() called at [G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php:376]
#2 require_once(G:\Xampp\xampp\htdocs\testlink\lib\bugtracking\int_bugtracking.php) called at [G:\Xampp\xampp\htdocs\testlink\lib\execute\execSetResults.php:78]

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I have confirmed that all my scarab DB server settings are correct and I know I am gettibng a connection as the BugTracking link correctly displays and functions. I there any idea what could be causing this error message above?