That happened to me. Problem with your Chive login is that you didnt entered corectly fortrabbit credentials for mysql (not for your app). You should get those credentials by email, upon login to fortrabbit.
Take a look at this:
Pregunta
When I open http://[my-app].eu1.frbit.net/chive. I get
Symfony \ Component \ HttpKernel \ Exception \ NotFoundHttpException
Chive directory is on htdocs/chive and I removed from chive/.htaccess
Options +FollowSymLinks
but still can't access.
Solución
That happened to me. Problem with your Chive login is that you didnt entered corectly fortrabbit credentials for mysql (not for your app). You should get those credentials by email, upon login to fortrabbit.
Take a look at this: