AJAX Issue

The AJAX call works fine in development mode but in production has
issues.

The handler.call line in the following method is throwing error in the
JavaScript console:

Error: handler has no properties

Source File: http://mydomain.com/javascripts/all.js?1202672432
Line: 3883

function createWrapper(element, eventName, handler) {
var id = getEventID(element);
var c = getWrappersForEventName(id, eventName);
if (c.pluck(“handler”).include(handler)) return false;

var wrapper = function(event) {
  if (!Event || !Event.extend ||
    (event.eventName && event.eventName != eventName))
      return false;

  Event.extend(event);
  handler.call(element, event)
};

Does anyone encountered this before? TIA.

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