jquery-datatables-checkboxes savestate question

Hi,

I'm using https://github.com/gyrocode/jquery-datatables-checkboxes/

And trying to save the statesave

In console.log on page load, there is no checkbox selected
using stateSaveCallback or stateSaveParams

the result for the checkbox state is

checkboxes: (2) [empty, {…}]
checkboxes: Array(2)
1: {}
length: 2
__proto__: Array(0)

I guess the problem come from this [empty, {…}] instead of displayed this [{…}]
I'm sending the table state like this "tablestate": JSON.stringify(data)
because I'm saving the state into DB and only the checkbox statevalues are not saved the other Datatables are saved ok

I'm using Datatables 1.10.11 (cannot update to latest for now)
Any idea what is going wrong and recommendation to fix this.