Datatables only shows the first row when multiple

问题:

Hi I recently updated my datatables from 1.9.4 to 1.10.2. Most of the functionality works but sometimes I get weird issues in which the Datatable only shows one row even when there are mulitple rows returned from the server.

I also get weird errors like

Does anyone know off the top of their head what could be causing these issues? What dramatic changes from 1.9.4 to 1.10.2 happened? The website says that Datatables 1.10.2 is completely backwards compatible but it doesnt seem to be the case...

THanks