[BUGFIX] Clarifying error message for polymorphic types#5518

Merged

runspired merged 3 commits intoemberjs:masterfrom pete-the-pete:master

Jul 10, 2018

+14-13

Commits on Jul 2, 2018

[BUGFIX] Adding tests to assert exception when saving unloaded record
pete
committed

Commits on Jul 3, 2018

Merge remote-tracking branch 'upstream/master'
pete
committed

Commits on Jul 6, 2018

Clarifying error message for polymorphic types
pete
committed