Localizable.strings - The data couldn’t be read because it isn’t in the correct format

Question

If I copy something from textedit or web and paste it to localizable file it shows this compilation error. If I type those in localizable file it does not show any error. I am a

Answer 1

In my case, I was missing "=" between a string pair. Even plutil did not help me to spot the error line. I manually checked each string pair. :/