Uncaught Error: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "wpse_82982_removeStyles" not found or invalid function name
in /homepages/11/d250822185/htdocs/dpwp/wp-includes/class-wp-hook.php on line 324

Call stack:

1. WP_Hook::apply_filters()
   wp-includes/class-wp-hook.php:348
2. WP_Hook::do_action()
   wp-includes/plugin.php:517
3. do_action()
   wp-includes/functions.wp-styles.php:57
4. wp_print_styles()
   wp-includes/class-wp-hook.php:324
5. WP_Hook::apply_filters()
   wp-includes/class-wp-hook.php:348
6. WP_Hook::do_action()
   wp-includes/plugin.php:517
7. do_action()
   wp-includes/general-template.php:3192
8. wp_head()
   wp-content/themes/flatsome/header.php:18
9. require_once('/homepages/11/d25082.../flatsome/header.php')
   wp-includes/template.php:810
10. load_template()
    wp-includes/template.php:745
11. locate_template()
    wp-includes/general-template.php:48
12. get_header()
    wp-content/themes/flatsome/page-blank-title-center.php:9
13. include('/homepages/11/d25082...ank-title-center.php')
    wp-includes/template-loader.php:106
14. require_once('/homepages/11/d25082.../template-loader.php')
    wp-blog-header.php:19
15. require('/homepages/11/d25082...p/wp-blog-header.php')
    index.php:17