Tooltip throws error when series are hidden (by clicking the legend)

[LokeSonne]

I'm getting the error: Cannot read property 'key' of undefined

It happens if I hover over a series in a chart with multiple series where the last series is visible and one or more of the other series have been hidden by clicking the legend.

I done a lot of debugging but haven't found a solution yet.

[LokeSonne]

I've found a fix to this and made a pull request with the change.

[bdbell15]

I'm still having this problem. Any tips on what the fix was?

[dadrados]

Me too! Please help.

[LokeSonne]

The fix has already been merged to master. If you make a new build it will include the fix.

For details on the patch, here's a link to the pull request #25