Uncaught TypeError: Cannot read property 'toLowerCase' of undefined
What is causing my "Uncaught TypeError: Cannot read property 'toLowerCase' of undefined" error?
Uncaught TypeError: Cannot read property 'aDataSort' of undefined Uncaught TypeError: Cannot read property 'isStagingAreaPub' of undefined Uncaught TypeError: Cannot read property toLowerCase of undefined Uncaught TypeError: Cannot read property 'toLowerCase' of undefined Error on text field Uncaught TypeError: Cannot read property 'isSynchronized' of undefined Uncaught TypeError: Cannot call method 'toLowerCase' of undefined Uncaught TypeError: Cannot read property 'GetLatdlngd' of undefined Uncaught TypeError: Cannot read property 'trackPid' of undefined" Uncaught TypeError: Cannot read property '_adjustMaxNumberOfFiles' of undefined Uncaught TypeError: Cannot read property 'targetLat' of undefined Uncaught TypeError: Cannot read property 'Dort' of undefined Uncaught TypeError: Cannot read property 'on' of undefined Uncaught TypeError: Cannot call method 'toLowerCase' of undefined Uncaught TypeError: Cannot read property 'wsname' of undefined Uncaught TypeError: Cannot read property 'name' of undefined Uncaught TypeError: Cannot read property "name' of undefined Uncaught TypeError: Cannot read property 'infoThousands' of undefined Uncaught TypeError: Cannot read property 'ViewSelector2' of undefined Uncaught TypeError: Cannot read property 'name' of undefined Uncaught TypeError: Cannot call method 'toLowerCase' of undefined Uncaught TypeError: Cannot read property 'toLowerCase' of null Uncaught TypeError Cannot read property 'toLowerCase' of undefined Error while loading a chart Uncaught TypeError: Cannot read property 'toLowerCase' of undefined Uncaught TypeError cannot read property 'name' of undefined Uncaught TypeError: Cannot read property 'getBarCode' of undefined (JavaScript) Uncaught TypeError: Cannot read property 'toLowerCase' of undefined Uncaught TypeError: Cannot read property 'toLowerCase' of undefined on jsonp request Uncaught TypeError: Cannot read property 'oTargetControl' of undefined Uncaught TypeError: Cannot read property of undefined - javascript