I am using polylang and lingotek plugin for translation and I am trying to build a multilanguage website. I have using Nepali and English whereas English is my default language.

All of a sudden all posts which I managed to translate converted into some weird random characters as

नेपाली कृषि कà¥à¤·à¥à¥‹à¤¤à¥à¤°à¤®à¤¾ देखिà¤à¤•à¤¾ चà¥à¤¨à¥Œà¤¤à¥€à¤¹à¤°à¥/समसà¥à¤¯à¤¾à¤¹à¤°à¥ र तà¥à¤¯à¤¸à¤²à¥‡ राषà¥à¤Ÿà¥à¤°à¤•à¥‹ कà¥à¤² गà¥à¤°à¤¾à¤¹à¤¸à¥à¤¥ उतà¥à¤ªà¤¾à¤¦à¤¨à¤®à¤¾ (GDP) पà¥Â¥à¤¯à¤¾à¤à¤•à¥‹ असर

How can I rollback to my original translated posts?