Fatal error: Uncaught Error: Call to undefined function wp_getimagesize()
in /share/home/niagaraparks/staging.niagaraparks.com/wp-content/plugins/schema-and-structured-data-for-wp/admin_section/common-function.php on line 2124

Call stack:

1. saswp_get_attachment_details()
   wp-content/plugins/schema-and-structured-data-for-wp/output/service.php:8415
2. saswp_output_service::saswp_get_featured_image()
   wp-content/plugins/schema-and-structured-data-for-wp/output/output.php:2869
3. saswp_schema_output()
   wp-content/plugins/schema-and-structured-data-for-wp/output/function.php:301
4. saswp_get_all_schema_markup_output()
   wp-content/plugins/schema-and-structured-data-for-wp/output/function.php:141
5. saswp_schema_markup_output()
   wp-includes/class-wp-hook.php:286
6. WP_Hook::apply_filters()
   wp-includes/class-wp-hook.php:310
7. WP_Hook::do_action()
   wp-includes/plugin.php:453
8. do_action()
   wp-includes/general-template.php:2614
9. wp_head()
   wp-content/themes/niagara-parks/templates/head.php:25
10. require()
    wp-includes/template.php:690
11. load_template()
    wp-includes/template.php:647
12. locate_template()
    wp-includes/general-template.php:155
13. get_template_part()
    wp-content/themes/niagara-parks/base.php:1
14. include()
    wp-includes/template-loader.php:74
15. require_once()
    wp-blog-header.php:19
16. require()
    index.php:17