Image detail

Fatal error: Uncaught Error: Object of class WP_Error could not be converted to string in /var/www/uncovery/public_html/wp-content/plugins/unc_gallery/unc_image_display.inc.php:71 Stack trace: #0 /var/www/uncovery/public_html/wp-includes/shortcodes.php(433): unc_image_display() #1 [internal function]: do_shortcode_tag() #2 /var/www/uncovery/public_html/wp-includes/shortcodes.php(273): preg_replace_callback() #3 /var/www/uncovery/public_html/wp-includes/class-wp-hook.php(324): do_shortcode() #4 /var/www/uncovery/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters() #5 /var/www/uncovery/public_html/wp-includes/post-template.php(256): apply_filters() #6 /var/www/uncovery/public_html/wp-content/themes/twentyseventeen/template-parts/page/content-page.php(22): the_content() #7 /var/www/uncovery/public_html/wp-includes/template.php(812): require('...') #8 /var/www/uncovery/public_html/wp-includes/template.php(745): load_template() #9 /var/www/uncovery/public_html/wp-includes/general-template.php(206): locate_template() #10 /var/www/uncovery/public_html/wp-content/themes/twentyseventeen/page.php(28): get_template_part() #11 /var/www/uncovery/public_html/wp-includes/template-loader.php(106): include('...') #12 /var/www/uncovery/public_html/wp-blog-header.php(19): require_once('...') #13 /var/www/uncovery/public_html/index.php(17): require('...') #14 {main} thrown in /var/www/uncovery/public_html/wp-content/plugins/unc_gallery/unc_image_display.inc.php on line 71