SabboCMS 500 Internal Server Error [r63B]

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="Importierte Regel 1" stopProcessing="true">
<match url="^home?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=home" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 2" stopProcessing="true">
<match url="^logout?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=logout" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 3" stopProcessing="true">
<match url="^me?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=me" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 4" stopProcessing="true">
<match url="^staff?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=staff" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 5" stopProcessing="true">
<match url="^community?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=community" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 6" stopProcessing="true">
<match url="^client?$" ignoreCase="false" />
<action type="Rewrite" url="client.php" />
</rule>
<rule name="Importierte Regel 7" stopProcessing="true">
<match url="^clienterror?$" ignoreCase="false" />
<action type="Rewrite" url="clienterror.php" />
</rule>
<rule name="Importierte Regel 8" stopProcessing="true">
<match url="^maintenance?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=maintenance" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 9" stopProcessing="true">
<match url="^pferde?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=pferde" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 10" stopProcessing="true">
<match url="^couples?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=couples" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 11" stopProcessing="true">
<match url="^vip?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=vip" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 12" stopProcessing="true">
<match url="^bwr?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=bwr" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 13" stopProcessing="true">
<match url="^support?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=support" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 14" stopProcessing="true">
<match url="^changename?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=changename" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 15" stopProcessing="true">
<match url="^bonus?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=bonus" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 16" stopProcessing="true">
<match url="^credits?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=credits" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 17" stopProcessing="true">
<match url="^pricelist?$" ignoreCase="false" />
<action type="Rewrite" url="index.php?p=pricelist" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 18" stopProcessing="true">
<match url="^admin?$" ignoreCase="false" />
<action type="Rewrite" url="admin.php" />
</rule>
<rule name="Importierte Regel 19">
<match url="^article/(.*)$" ignoreCase="false" />
<action type="Rewrite" url="/index.php?p=article&amp;id={R:1}" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 20">
<match url="^user/(.*)$" ignoreCase="false" />
<action type="Rewrite" url="/index.php?p=user&amp;username={R:1}" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 21">
<match url="^room/(.*)$" ignoreCase="false" />
<action type="Rewrite" url="/index.php?p=room&amp;room={R:1}" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 22">
<match url="^ref/(.*)$" ignoreCase="false" />
<action type="Rewrite" url="/index.php?p=ref&amp;username={R:1}" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 23">
<match url="^settings/(.*)$" ignoreCase="false" />
<action type="Rewrite" url="/index.php?p=settings&amp;type={R:1}" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 24">
<match url="^habbo-imaging/badge/([^/]+)" ignoreCase="false" />
<action type="Rewrite" url="/habbo-imaging/badge.php?badge={R:1}" appendQueryString="false" />
</rule>
<rule name="Importierte Regel 25">
<match url="^habbo-imaging/head/([^/]+)" ignoreCase="false" />
<action type="Rewrite" url="/habbo-imaging/head.php?figure={R:1}" appendQueryString="false" />
</rule>
</rules>
</rewrite>
</system.webServer>
</configuration>