OwnCloud Error?

Hey, ownCloud writes me this server.
PHP version: 7.0.

{"reqId":"5qMHPV5Q\/DD33RW7lFHn","remoteAddr":"2a00:1028:83b2:9ea:b566:c298:8f70:450a","app":"index","message":"Exception: {\"Exception\":\"Exception\",\"Message\":\"The requested uri(\\/) cannot be processed by the script '\\/subdom\\/disk\\/index.php')\",\"Code\":0,\"Trace\":\"#0 \\/data\\/web\\/virtuals\\/144267\\/virtual\\/www\\/subdom\\/disk\\/lib\\/private\\/AppFramework\\/Http\\/Request.php(658): OC\\AppFramework\\Http\\Request->getRawPathInfo()\n#1 \\/data\\/web\\/virtuals\\/144267\\/virtual\\/www\\/subdom\\/disk\\/lib\\/base.php(836): OC\\AppFramework\\Http\\Request->getPathInfo()\n#2 \\/data\\/web\\/virtuals\\/144267\\/virtual\\/www\\/subdom\\/disk\\/index.php(54): OC::handleRequest()\n#3 {main}\",\"File\":\"\\/data\\/web\\/virtuals\\/144267\\/virtual\\/www\\/subdom\\/disk\\/lib\\/private\\/AppFramework\\/Http\\/Request.php\",\"Line\":631}","level":3,"time":"2017-02-26T22:53:28+00:00","method":"GET","url":"\/","user":"--"}

There is a FAQ available at [1] explaining the needed steps to fix your setup.

[1]