Getting Error With JS-api

[LWX-Praveen]

datafeed.js:181 TypeError: e.split is not a function
at t.GVHu.pe._getStatusTextOnStudyError (library.f3f0107d2bc2d2e9bf1d.js:260)
at t.GVHu.pe._handleStudyError (library.f3f0107d2bc2d2e9bf1d.js:260)
at t.GVHu.pe.onData (library.f3f0107d2bc2d2e9bf1d.js:260)
at _handler (library.f3f0107d2bc2d2e9bf1d.js:251)
at EX27.JSServer.ChartApi._invokeHandler (library.f3f0107d2bc2d2e9bf1d.js:228)
at EX27.JSServer.ChartApi._invokeNotificationHandler (library.f3f0107d2bc2d2e9bf1d.js:229)
at EX27.JSServer.ChartApi._dispathNotification (library.f3f0107d2bc2d2e9bf1d.js:229)
at EX27.JSServer.ChartApi.receiveLocalResponse (library.f3f0107d2bc2d2e9bf1d.js:225)
at c.MrEN.c.onStudyError (library.f3f0107d2bc2d2e9bf1d.js:322)
at Object.onErrorCallback (library.f3f0107d2bc2d2e9bf1d.js:218)
(anonymous) @ datafeed.js:181
datafeed.js:182 Uncaught (in promise) TypeError: onErrorCallback is not a function
at datafeed.js:182