Error deleting a trace

I am getting the following error while deleting a trace:
angular.min.js:127 TypeError: t.match is not a function
at r.cleanId (plotly-latest.min.js:7)
at Object.r.cleanData (plotly-latest.min.js:7)
at Object.r.redraw (plotly-latest.min.js:7)
at Object.t [as deleteTraces] (plotly-latest.min.js:7)

Any idea?

Thanks