developing package works with one site but not with other

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I was developing a package on a development local server. Got it working almost to what I want, then tried to load package in actual site I was designing for but on a local copy. What is happening is the package loads and all the dashboard pages ( single pages ) but the db.xml is not loading the database tables.
but it was in my other development area.
The Block db.xml is loading.

very puzzling. I have attached the controller and the db.xml

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INTcommunications
 
INTcommunications replied on at Permalink Reply
INTcommunications
Also - the actual site is one that concrete has previously been updated to 5.6.2
but the development testing is 5.6.3 ( no updates )

In my controller app version I have
protected $appVersionRequired = '5.6.0.0';

Not sure if this has anything to with it
INTcommunications replied on at Permalink Reply
INTcommunications
Fixed it - For some reason I had increased the Schema version to 4 when it should have been 3