Hi thanks for your reply. I should say I’m not a tech expert – I have had a look to see what I might be able to resolve in terms of what I have access to, however I’d appreciate your advice on what might be the issue.
Here are the error log entries (I have deleted duplicates for ease of reading)
[19-Sep-2015 01:59:04 UTC] PHP Notice: Trying to get property of non-object in /home/example/public_html/wp-content/plugins/grfx/includes/class-cron.php on line 299
[19-Sep-2015 01:59:04 UTC] PHP Notice: Trying to get property of non-object in /home/example/public_html/wp-content/plugins/grfx/includes/class-cron.php on line 300
[19-Sep-2015 01:59:04 UTC] PHP Fatal error: Call to undefined function exif_imagetype() in /home/example/public_html/wp-content/plugins/grfx/includes/class-cron.php on line 127
[19-Sep-2015 06:52:25 UTC] PHP Catchable fatal error: Object of class WP_Error could not be converted to string in /home/example/public_html/wp-content/themes/black_sea/inc/actions.php on line 249
