Error using stable sorting

Hi, I have version 1.6 (pro) of the grid. I am trying to use stable sorting so we can sort on multiple columns.

In my init, I have the following before loading row data or calling grid.init( ):


However, after the first time I sort a column, I get this error message (copied from Firebug):

s[sort] is not a function


Line 5419

Is there something I’ve done wrong?

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