Helllo, ramil
I am getting a error like follow:
Uncaught (in promise) Error: Invalid start_date argument for getDuration method
at Object._getStartEndConfig (dhtmlxgantt.js:10:1)
at Object.hasDurationArguments (dhtmlxgantt.js:10:1)
at a.hasDuration (dhtmlxgantt.js:10:1)
at Object._hasDuration (dhtmlxgantt.js:10:1)
at Object.t._isProjectEnd (dhtmlxgantt.js:34:1)
at Object.e. [as _isProjectEnd] (dhtmlxgantt.js:10:1)
at Object._calculateBranch (dhtmlxgantt.js:34:1)
at Object. (dhtmlxgantt.js:34:1)
at c._eachItemCached (dhtmlxgantt.js:10:1)
at c.eachItem (dhtmlxgantt.js:10:1)
at Object.eachTask (dhtmlxgantt.js:10:1)
at Object._calculate (dhtmlxgantt.js:34:1)
at Object.isCriticalTask (dhtmlxgantt.js:34:1)
at Object.t.isCriticalTask (dhtmlxgantt.js:34:1)
at Object.template (ganttPageUtils.js:243:1)
at Object.render (dhtmlxgantt.js:10:1)
at Object.render_item (dhtmlxgantt.js:10:1)
at Object.render_items (dhtmlxgantt.js:10:1)
at a (dhtmlxgantt.js:10:1)
at c. (dhtmlxgantt.js:10:1)
at c.i (dhtmlxgantt.js:10:1)
at c.t.callEvent (dhtmlxgantt.js:10:1)
at c. (dhtmlxgantt.js:10:1)
at c.i (dhtmlxgantt.js:10:1)
at c.t.callEvent (dhtmlxgantt.js:10:1)
at c.refresh (dhtmlxgantt.js:10:1)
at Object.refreshData (dhtmlxgantt.js:10:1)
at dhtmlxgantt.js:10:1
at Object.t._quickRefresh (dhtmlxgantt.js:10:1)
at e. (dhtmlxgantt.js:10:1)
at e.i (dhtmlxgantt.js:10:1)
at e.t.callEvent (dhtmlxgantt.js:10:1)
at e.resize (dhtmlxgantt.js:10:1)
at Object.t.render (dhtmlxgantt.js:10:1)
at Object.i (dhtmlxgantt.js:34:1)
at Object.i (dhtmlxgantt.js:10:1)
at Object.t.callEvent (dhtmlxgantt.js:10:1)
at c. (dhtmlxgantt.js:10:1)
at c.i (dhtmlxgantt.js:10:1)
at c.t.callEvent (dhtmlxgantt.js:10:1)
at c.updateItem (dhtmlxgantt.js:10:1)
at Object.updateTask (dhtmlxgantt.js:10:1)
when I use updateTask() method.