I have got fixes to solve this problem.
Step 1: clear YouTube app data/cache
Step 2: change date and time automatically
Step 3: uninstall and reinstall YouTube
Step 4: Sign out of google account and in again
Step 5: restart your device
Step 6: you are now subscribing channels and liking videos without any error messages, enjoy!☺☺☺☺☺☺
Step 1: clear YouTube app data/cache
Step 2: change date and time automatically
Step 3: uninstall and reinstall YouTube
Step 4: Sign out of google account and in again
Step 5: restart your device
Step 6: you are now subscribing channels and liking videos without any error messages, enjoy!☺☺☺☺☺☺