Adapter "" has not been registered<br>#0 C:\Apache24\htdocs\app\Common\Library\Providers\DbProvider.php(60): APS\Common\Library\Providers\DbProvider-&gt;getClass()<br />
#1 C:\Apache24\htdocs\bootstrap\Bootstrap.php(137): APS\Common\Library\Providers\DbProvider-&gt;register()<br />
#2 C:\Apache24\htdocs\bootstrap\Bootstrap.php(79): APS\Bootstrap\Bootstrap-&gt;initializeProviders()<br />
#3 C:\Apache24\htdocs\public\index.php(37): APS\Bootstrap\Bootstrap-&gt;__construct()<br />
#4 {main}