I am using jQgrid 4 and i have the following problem. Although i have set it up with navigator enabled and editing works correctly, adding an entry only works the first time i.e. the first time the user clicks on add the form dialog appears but if one presses cancel then the next time add is pressed i get an uncaught exception 'Cannot read property 'type' of undefined at line 6599 of jqGrid.src. The same thing happens on the demo site! Any ideas?

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