Failed Ajax request or invalid JSON and read by long time

Software Support
1

I`ve two problems (OJS 3.1)

  1. When I’m depositing a new article by Quick submit plugin – and after I’m using button Schedule For Publication an error appears: Failed Ajax request or invalid JSON returned
  2. When I try to send an email from OJS the page is read in a long time –
    Below I`m sending server logs

[16-Aug-2018 10:10:35 Europe/Warsaw] PHP Warning: escapeshellcmd() has been disabled for security reasons in /var/www/jard/lib/pkp/lib/vendor/phpmailer/phpmailer/class.phpmailer.php on line 1444
[16-Aug-2018 10:52:22 Europe/Warsaw] PHP Warning: escapeshellcmd() has been disabled for security reasons in /var/www/jard/lib/pkp/lib/vendor/phpmailer/phpmailer/class.phpmailer.php on line 1444
[16-Aug-2018 10:55:04 Europe/Warsaw] PHP Warning: escapeshellcmd() has been disabled for security reasons in /var/www/jard/lib/pkp/lib/vendor/phpmailer/phpmailer/class.phpmailer.php on line 1444
[16-Aug-2018 10:58:23 Europe/Warsaw] PHP Warning: assert(): Assertion failed in /var/www/jard/classes/article/Article.inc.php on line 87
[17-Aug-2018 11:54:37 Europe/Warsaw] PHP Warning: escapeshellcmd() has been disabled for security reasons in /var/www/jard/lib/pkp/lib/vendor/phpmailer/phpmailer/class.phpmailer.php on line 1444
[17-Aug-2018 11:58:28 Europe/Warsaw] PHP Warning: escapeshellcmd() has been disabled for security reasons in /var/www/jard/lib/pkp/lib/vendor/phpmailer/phpmailer/class.phpmailer.php on line 1444
[17-Aug-2018 12:03:46 Europe/Warsaw] PHP Warning: escapeshellcmd() has been disabled for security reasons in /var/www/jard/lib/pkp/lib/vendor/phpmailer/phpmailer/class.phpmailer.php on line 1444
[20-Aug-2018 21:31:26 Europe/Warsaw] PHP Fatal error: Call to a member function getCoverImage() on null in /var/www/jard/plugins/importexport/quickSubmit/QuickSubmitForm.inc.php on line 114
[20-Aug-2018 21:31:28 Europe/Warsaw] PHP Fatal error: Call to a member function getCoverImage() on null in /var/www/jard/plugins/importexport/quickSubmit/QuickSubmitForm.inc.php on line 114
[21-Aug-2018 17:54:40 Europe/Warsaw] PHP Warning: escapeshellcmd() has been disabled for security reasons in /var/www/jard/lib/pkp/lib/vendor/phpmailer/phpmailer/class.phpmailer.php on line 1444

2

Do you have any suggestion?
Thanks
Peter

4

Where is the problem?

5

Hi @karwas,

A PHP feature has been disabled by your hosting provider. You’ll have to ask them whether it’s possible to enable that function.

Regards,
Alec Smecher
Public Knowledge Project Team