Error while “Export For Localization..” Xcode 6.3

Question

I want to add some new languages to my projects but after clicking Editor -> Export For Localization -> Save, I get the following error:

Answer 1

Accepted answer has an issue: after exporting and import back localisations - escape sign is gone!

As @progrmr mention in comments - there is better workaround to replace ' with left single quote ’ sign! (option - shift - ] on OS X)