After upgrading mendix project from 7 to 8 getting below error Cannot read property 'getTrackId' of null TypeError: Cannot read property 'getTrackId' of null at o (http://localhost:8888/mxclientsystem/mxui/mxui.js?637538440508706006:79:282968) at t.reloadApp (http://localhost:8888/mxclientsystem/mxui/mxui.js?637538440508706006:79:282294) at http://localhost:8888/mxclientsystem/mxui/mxui.js?637538440508706006:79:206147 at http://localhost:8888/mxclientsystem/mxui/mxui.js?637538440508706006:79:386914 at Array.forEach (<anonymous>) at http://localhost:8888/mxclientsystem/mxui/mxui.js?637538440508706006:79:386886 at http://localhost:8888/mxclientsystem/mxui/mxui.js?637538440508706006:79:386277 at Array.forEach (<anonymous>) at WebSocket.socket.onmessage (http://localhost:8888/mxclientsystem/mxui/mxui.js?637538440508706006:79:386237) Does anyone know how to resolve this?
asked
Mehak Goyal
1 answers
0
Hi,
these errors usually indicate that some custom widgets are outdated. Try to update or remove the used custom widget.