Uncaught TypeError: Cannot read property 'decimalSeparator' of undefined

1、错误描述
jquery.jqGrid.min.js:477 Uncaught TypeError: Cannot read property 'decimalSeparator' of undefined
at Object.NumberFormat (jquery.jqGrid.min.js:477)
at HTMLTableElement.P [as updatepager] (jquery.jqGrid.min.js:213)
at N (jquery.jqGrid.min.js:187)
at S (jquery.jqGrid.min.js:230)
at HTMLTableElement.<anonymous> (jquery.jqGrid.min.js:317)
at Function.each (jquery-1.11.0.min.js:2)
at n.fn.init.each (jquery-1.11.0.min.js:2)
at n.fn.init.$.fn.jqGrid (jquery.jqGrid.min.js:101)
at HTMLDocument.<anonymous> (group.html?__hbt=1496242974345:22)
at j (jquery-1.11.0.min.js:2)
NumberFormat @ jquery.jqGrid.min.js:477
P @ jquery.jqGrid.min.js:213
N @ jquery.jqGrid.min.js:187
S @ jquery.jqGrid.min.js:230
(anonymous) @ jquery.jqGrid.min.js:317
each @ jquery-1.11.0.min.js:2
each @ jquery-1.11.0.min.js:2
$.fn.jqGrid @ jquery.jqGrid.min.js:101
(anonymous) @ group.html?__hbt=1496242974345:22
j @ jquery-1.11.0.min.js:2
fireWith @ jquery-1.11.0.min.js:2
ready @ jquery-1.11.0.min.js:2
K @ jquery-1.11.0.min.js:2
2、错误原因

3、解决办法