安装iTop过程出错，求指点
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在这个步骤时，下边有红色的警告信息，然后继续执行后边的操作，安装不成功 ( ! ) Warning: mysqli::mysqli(): in C:\wamp\www\iTop\web\core\cmdbsource.class.inc.php on line 86 Call Stack #TimeMemoryFunctionLocation 10.0000282504{main}( )..\ajax.dataloader.php:0 20.06248937048WizStepInstallOrUpgrade->AsyncAction( )..\ajax.dataloader.php:150 30.06248937456SetupUtils::AsyncCheckDB( )..\wizardsteps.class.inc.php:315 40.06248937904SetupUtils::CheckServerConnection( )..\setuputils.class.inc.php:978 50.06248938984CMDBSource::Init( )..\setuputils.class.inc.php:912 60.06248940488mysqli ( )..\cmdbsource.class.inc.php:86
在这个步骤时，下边有红色的警告信息，然后继续执行后边的操作，安装不成功 ( ! ) Warning: mysqli::mysqli(): in C:\wamp\www\iTop\web\core\cmdbsource.class.inc.php on line 86 Call Stack #TimeMemoryFunctionLocation 10.0000282504{main}( )..\ajax.dataloader.php:0 20.06248937048WizStepInstallOrUpgrade->AsyncAction( )..\ajax.dataloader.php:150 30.06248937456SetupUtils::AsyncCheckDB( )..\wizardsteps.class.inc.php:315 40.06248937904SetupUtils::CheckServerConnection( )..\setuputils.class.inc.php:978 50.06248938984CMDBSource::Init( )..\setuputils.class.inc.php:912 60.06248940488mysqli ( )..\cmdbsource.class.inc.php:86