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Recently I have face strange issue on wordpress which is “public_html/wp-includes/pluggable.php on line 868 wordpress issue” error at the time of login on wordpress website.

Issue: public_html/wp-includes/pluggable.php on line 868

Solution: This kind of error is normal for wordpress. This can occur due to some spaces after ?> ( end of php code ) in your php code files. So, you need to check your last accessed files and removed spaces if there and try again accessing that page. Hope it helps for wordpress developers.

- Tejas