Спанак с бъркани яйца и сирене

Fatal error: Uncaught Error: join(): Argument #2 ($array) must be of type ?array, string given
in /var/www/myfarm/wp-content/plugins/wysija-newsletters/helpers/render_engine.php on line 1142

Call stack:

  1. join()
    wp-content/plugins/wysija-newsletters/helpers/render_engine.php:1142
  2. WYSIJA_help_render_engine::_modifier()
    wp-content/plugins/wysija-newsletters/helpers/render_engine.php:667
  3. WYSIJA_help_render_engine::_getValue()
    wp-content/plugins/wysija-newsletters/helpers/render_engine.php:563
  4. WYSIJA_help_render_engine::_replace()
    wp-content/plugins/wysija-newsletters/helpers/render_engine.php:546
  5. WYSIJA_help_render_engine::_parse()
    wp-content/plugins/wysija-newsletters/helpers/render_engine.php:169
  6. WYSIJA_help_render_engine::render()
    wp-content/plugins/wysija-newsletters/helpers/form_engine.php:662
  7. WYSIJA_help_form_engine::render_web()
    wp-content/plugins/wysija-newsletters/views/front/widget_nl.php:160
  8. WYSIJA_view_front_widget_nl::display()
    wp-content/plugins/wysija-newsletters/widgets/wysija_nl.php:285
  9. WYSIJA_NL_Widget::widget()
    wp-content/plugins/wysija-newsletters/helpers/front.php:256
  10. WYSIJA_help_front::scan_form_shortcode()
    wp-includes/shortcodes.php:356
  11. do_shortcode_tag()
  12. preg_replace_callback()
    wp-includes/shortcodes.php:228
  13. do_shortcode()
    wp-includes/class-wp-hook.php:307
  14. WP_Hook::apply_filters()
    wp-includes/plugin.php:191
  15. apply_filters()
    wp-content/themes/kalium/inc/functions/template/blog-template-functions.php:550
  16. kalium_blog_post_content()
    wp-includes/class-wp-hook.php:307
  17. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:331
  18. WP_Hook::do_action()
    wp-includes/plugin.php:476
  19. do_action()
    wp-content/themes/kalium-child/templates/blog/single.php:43
  20. include()
    wp-content/themes/kalium/inc/functions/core-functions.php:46
  21. kalium_get_template()
    wp-content/themes/kalium/inc/functions/template/blog-template-functions.php:702
  22. kalium_blog_single_post_layout()
    wp-includes/class-wp-hook.php:307
  23. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:331
  24. WP_Hook::do_action()
    wp-includes/plugin.php:476
  25. do_action()
    wp-content/themes/kalium-child/single.php:43
  26. include()
    wp-includes/template-loader.php:106
  27. require_once()
    wp-blog-header.php:19
  28. require()
    index.php:17

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