I fixed it

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I had to edit a lot of theme files i changed
get_option to get_site_option
update_option to update_site_option
delete_option to delete_site_option

then I had to make sure that the posts from the caterories i used in the slider had a featured post linked to it.

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Mikmag\core\slider\slider-registry.php (28): $settings = get_site_option(‘core_slider_’ . $slug, null);
Mikmag\comments.php (53): $req = get_site_option(‘require_name_email’);
Mikmag\functions.php (83): if (is_singular() && get_site_option(‘thread_comments’))
Mikmag\functions.php (568): if ( ‘page’ != get_site_option( ‘show_on_front’ ) )
Mikmag\functions.php (571): return apply_filters( ‘core_buddypress_page_on_front’, get_site_option( ‘page_on_front’ ) );
Mikmag\core\core-utils.php (52): $width = get_site_option(‘thumbnail_size_w’);
Mikmag\core\core-utils.php (54): $height = get_site_option(‘thumbnail_size_h’);
Mikmag\core\core-utils.php (56): $crop = get_site_option(‘thumbnail_crop’);
Mikmag\core\options\options-classes.php (230): $value = get_site_option($this->key, $this->default);
Mikmag\includes\woocommerce.php (155): if (get_site_option(‘js_prices_include_tax’) == ‘yes’)
Mikmag\includes\woocommerce.php (259): return get_site_option(‘core_woocommerce_product_count’);
Mikmag\core\slider\slider-builder.php (67): $slider_settings = get_site_option(‘core_slider_’ .$slider_slug, ‘{}’);
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Mikmag\core\slider\slider-registry.php (64): update_site_option(‘core_slider_’ . $_POST['slug'], $_POST['settings']);
Mikmag\core\options\options-theme.php (30): update_site_option($key, $value);
Mikmag\core\options\options-theme.php (35): update_site_option($key, $value);

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Mikmag\core\options\options-theme.php (37): delete_site_option($key);