error：<DraggableCore> not mounted on DragStart! in v4.4.5

[gitducheng]

Error reported after upgrading from v4.4.4 to v4.4.5

[sibartlett]

I'm also getting this error

[lmichalevich]

There is an open pr for this: #671

It might also be related to: https://github.com/react-grid-layout/react-draggable/blob/master/CHANGELOG.md (see 4.4.0 section)