Syntax error in file: C:\web\htdocs\wescms\lib\adodb/drivers/adodb-mysql.inc.php

Fatal error: Uncaught exception 'ADODB_Exception' with message 'ADONewConnection error: [-998: could not load the database driver for '']' in C:\web\htdocs\wescms\lib\adodb\adodb-exceptions.inc.php:78 Stack trace: #0 C:\web\htdocs\wescms\lib\adodb\adodb.inc.php(3580): adodb_throw('ADONewConnectio...', 'ADONewConnectio...', -998, 'could not load ...', false, false, false) #1 C:\web\htdocs\wescms\config.inc.php(203): ADONewConnection('mysql') #2 C:\web\htdocs\redir.php(18): init_adodb() #3 {main} thrown in C:\web\htdocs\wescms\lib\adodb\adodb-exceptions.inc.php on line 78