alex after 4.12 php-fpm log warning with ... a lot of lines.
[18-Dec-2020 15:32:06] WARNING: [pool domain.com] child 27278 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:32:09] WARNING: [pool domain.com] child 27284 said into stderr: "NOTICE: PHP message: PHP Warning: math: function call a not allowed in /var/www/domain.com/app/lib/vendor/smarty/smarty/libs/plugins/function.math.php on line 53" [18-Dec-2020 15:32:09] WARNING: [pool domain.com] child 27284 said into stderr: "NOTICE: PHP message: PHP Warning: math: function call a not allowed in /var/www/domain.com/app/lib/vendor/smarty/smarty/libs/plugins/function.math.php on line 53" [18-Dec-2020 15:32:18] WARNING: [pool domain.com] child 27292 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:32:25] WARNING: [pool domain.com] child 27277 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:33:02] WARNING: [pool domain.com] child 27279 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:33:20] WARNING: [pool domain.com] child 27281 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:33:21] WARNING: [pool domain.com] child 27282 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:33:23] WARNING: [pool domain.com] child 27283 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:33:36] WARNING: [pool domain.com] child 27284 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:34:46] WARNING: [pool domain.com] child 27285 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:37:12] WARNING: [pool domain.com] child 37490 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:37:21] WARNING: [pool domain.com] child 37493 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48" [18-Dec-2020 15:37:30] WARNING: [pool domain.com] child 37496 said into stderr: "NOTICE: PHP message: PHP Notice: Undefined index: ab__sf_seo_variant in /var/www/domain.com/app/addons/ab__seo_filters/controllers/frontend/products.post.php on line 48"