PHP errors

Getting this error.

The errors are found on these codes-

strpos(): Passing null to parameter #1 ($haystack) of type string is deprecated
wp-includes/functions.php:7053
strpos()
wp-includes/functions.php:7053
wp_is_stream()
wp-includes/functions.php:2158
wp_normalize_path()
wp-includes/plugin.php:768
plugin_basename()
wp-admin/includes/plugin.php:1405
add_submenu_page()
wp-content/plugins/freesoul-deactivate-plugins/admin/eos-dp-helper.php:263
eos_dp_options_page()
wp-includes/class-wp-hook.php:308
do_action('admin_menu')
wp-admin/includes/menu.php:155


str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
wp-includes/functions.php:2165
str_replace()
wp-includes/functions.php:2165
wp_normalize_path()
wp-includes/plugin.php:768
plugin_basename()
wp-admin/includes/plugin.php:1405
add_submenu_page()
wp-content/plugins/freesoul-deactivate-plugins/admin/eos-dp-helper.php:263
eos_dp_options_page()
wp-includes/class-wp-hook.php:308
do_action('admin_menu')
wp-admin/includes/menu.php:155