When using adminlte, I got error "Uncaught ReferenceError: expandingEvent is not defined" in console, here is the solution

{ Error Message }

adminlte.min.js:14 Uncaught ReferenceError: expandingEvent is not defined


adminlte.js?f44e:243 Uncaught ReferenceError: expandingEvent is not defined

{ Solution adminlte.min.js }

• open adminlte.min.js
• find "expandingEvent", usually only one.
• replace it to "c"
• save

{ Solution adminlte.js }

• open adminlte.min.js
• find "expandingEvent", in block "BoxWidget.prototype.collapse = function () {"
• replace it to "collapsingEvent"
• save