Warning: strpos(): Empty needle in /wp-content/plugins/ginger/front/gingerfront

I have 4Gb of log full of:

Warning:  strpos(): Empty needle in /wp-content/plugins/ginger/front/gingerfront.core.php on line 246
Stack trace:
1. shutdown_action_hook() /wp-includes/load.php:0
2. do_action() /wp-includes/load.php:679
3. WP_Hook->do_action() /wp-includes/plugin.php:453
4. WP_Hook->apply_filters() /wp-includes/class-wp-hook.php:310
5. __shutdown() /wp-includes/class-wp-hook.php:286
6. apply_filters() /wp-content/plugins/ginger/front/gingerfront.core.php:124
7. WP_Hook->apply_filters() /wp-includes/plugin.php:203
8. ginger_parse_dom() /wp-includes/class-wp-hook.php:286
9. strpos_arr() /wp-content/plugins/ginger/front/gingerfront.core.php:194
10. strpos() /wp-content/plugins/ginger/front/gingerfront.core.php:246

Config:

define('WP_DEBUG', false);
define('WP_DEBUG_LOG', false);
define('WP_DEBUG_DISPLAY', false);

Temporary solution disabled plugin.