PHP Fatal error: Uncaught TypeError: explode(): Argument #2

PHP Fatal error: Uncaught TypeError: explode(): Argument #2 ($string) must be of type string, array given in /nas/content/live/laundryladistg/wp-content/plugins/navz-photo-gallery/includes/render_field.php:45#012Stack trace:#012#0 /nas/content/live/laundryladistg/wp-content/plugins/navz-photo-gallery/includes/render_field.php(45): explode(‘,’, Array)#012#1 /nas/content/live/laundryladistg/wp-content/plugins/navz-photo-gallery/fields/acf-photo_gallery-v5.php(85): include(‘/nas/content/li…’)#012#2 /nas/content/live/laundryladistg/wp-includes/class-wp-hook.php(308): acf_field_photo_gallery->render_field(Array)#012#3 /nas/content/live/laundryladistg/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(”, Array)#012#4 /nas/content/live/laundryladistg/wp-includes/plugin.php(565): WP_Hook->do_action(Array)#012#5 /nas/content/live/laundryladistg/wp-content/plugins/advanced-custom-fields/includes/acf-hook-functions.php(113): do_action_ref_array(‘acf/render_fiel…’, Array)#012#6 /nas/content/live/laundryladistg/wp-includes/class-wp-hook.php(308): _acf_apply_hook_variations(Array)#012#7 /nas/content/live/laundryladistg/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(”, Array)#012#8 /nas/content/live/laundryladistg/wp-includes/plugin.php(517): WP_Hook->do_action(Array)#012#9 /nas/content/live/laundryladistg/wp-content/plugins/advanced-custom-fields/includes/acf-field-functions.php(807): do_action(‘acf/render_fiel…’, Array)#012#10 /nas/content/live/laundryladistg/wp-content/plugins/advanced-custom-fields/includes/acf-field-functions.php(763): acf_render_field(Array)#012#11 /nas/content/live/laundryladistg/wp-content/plugins/advanced-custom-fields/includes/acf-field-functions.php(616): acf_render_field_wrap(Array, ‘div’, ‘label’)#012#12 /nas/content/live/laundryladistg/wp-content/plugins/advanced-custom-fields/includes/forms/form-post.php(224): acf_render_fields(Array, 250, ‘div’, ‘label’)#012#13 /nas/content/live/laundryladistg/wp-admin/includes/template.php(1445): ACF_Form_Post->render_meta_box(Object(WP_Post), Array)#012#14 /nas/content/live/laundryladistg/wp-admin/edit-form-advanced.php(688): do_meta_boxes(Object(WP_Screen), ‘normal’, Object(WP_Post))#012#15 /nas/content/live/laundryladistg/wp-admin/post.php(206): require(‘/nas/content/li…’)#012#16 {main}#012 thrown in /nas/content/live/laundryladistg/wp-content/plugins/navz-photo-gallery/includes/render_field.php on line 45