Fatal error: Uncaught Error: Object of class WP_Error could not be converted to string
in /usr/home/wstyle/domains/hydromar.pl/public_html/wp-content/themes/pc/vendor/twig/twig/src/Environment.php(418) : eval()'d code on line 42

Call stack:

1. __TwigTemplate_7c1447611d3530accae48430fb24561d19763ee3ddfd2ee6d8ab2adac8bf3e63::doDisplay()
   wp-content/themes/pc/vendor/twig/twig/src/Template.php:405
2. Twig\Template::displayWithErrorHandling()
   wp-content/themes/pc/vendor/twig/twig/src/Template.php:378
3. Twig\Template::display()
   wp-content/themes/pc/vendor/twig/twig/src/Environment.php(418) : eval()'d code:234
4. __TwigTemplate_59dc48f33325be9db11378907eec35e7c383f697cdbf3b755ffc5432577fdae1::doDisplay()
   wp-content/themes/pc/vendor/twig/twig/src/Template.php:405
5. Twig\Template::displayWithErrorHandling()
   wp-content/themes/pc/vendor/twig/twig/src/Template.php:378
6. Twig\Template::display()
   wp-content/themes/pc/vendor/twig/twig/src/Environment.php(418) : eval()'d code:75
7. __TwigTemplate_cfd537c6c7c1fc648f6ba14bc3d81be957f262d75d586f80625a8d68ac9270bc::block_content()
   wp-content/themes/pc/vendor/twig/twig/src/Template.php:182
8. Twig\Template::displayBlock()
   wp-content/themes/pc/vendor/twig/twig/src/Environment.php(418) : eval()'d code:46
9. __TwigTemplate_8356e67f615bb5cb85afc2159be018e21ff1e5a2b95616c28f9b629b65509362::doDisplay()
   wp-content/themes/pc/vendor/twig/twig/src/Template.php:405
10. Twig\Template::displayWithErrorHandling()
    wp-content/themes/pc/vendor/twig/twig/src/Template.php:378
11. Twig\Template::display()
    wp-content/themes/pc/vendor/twig/twig/src/Environment.php(418) : eval()'d code:42
12. __TwigTemplate_cfd537c6c7c1fc648f6ba14bc3d81be957f262d75d586f80625a8d68ac9270bc::doDisplay()
    wp-content/themes/pc/vendor/twig/twig/src/Template.php:405
13. Twig\Template::displayWithErrorHandling()
    wp-content/themes/pc/vendor/twig/twig/src/Template.php:378
14. Twig\Template::display()
    wp-content/themes/pc/vendor/twig/twig/src/Template.php:390
15. Twig\Template::render()
    wp-content/themes/pc/vendor/twig/twig/src/TemplateWrapper.php:45
16. Twig\TemplateWrapper::render()
    wp-content/themes/pc/vendor/timber/timber/lib/Loader.php:79
17. Timber\Loader::render()
    wp-content/themes/pc/vendor/timber/timber/lib/Timber.php:334
18. Timber\Timber::compile()
    wp-content/themes/pc/vendor/timber/timber/lib/Timber.php:383
19. Timber\Timber::fetch()
    wp-content/themes/pc/vendor/timber/timber/lib/Timber.php:410
20. Timber\Timber::render()
    wp-content/themes/pc/single-product.php:10
21. include()
    wp-includes/template-loader.php:106
22. require_once()
    wp-blog-header.php:19
23. require()
    index.php:17