id summary reporter owner description type status priority milestone component version resolution keywords cc 12451 ckeditor.js crashes with JS runtime error Robert Emmett "ckeditor.js throws an unhandled exception at line 234, column 34: 0x800a138f - JavaScript runtime error: Unable to set property 'previous' of undefined or null reference. The attached HTML file is what we are trying to display when the error is thrown. In line 317 of the HTML code, if I change the text-align from ""center"" to ""left"", then the code displays correctly with no error." Bug closed Normal General expired