A fatal error has occured during the attempt to resize the "https://nrcstcatharines.ca/wp-content/uploads/2016/08/05-5.jpg" image.
Possible causes and their solutions (in the order of occurence) are:
/wp-content/uploads/freshizer/
directory does not exist on your webserver.
array(4) { ["type"]=> int(8) ["message"]=> string(68) "ob_end_flush(): Failed to send buffer of zlib output compression (0)" ["file"]=> string(60) "/home2/nrcstcatharines/public_html/wp-includes/functions.php" ["line"]=> int(5373) }