Hi @kawahyu
Your issue is quite similar to a previous thread about PHP version. I think you will need to upgrade to at least PHP 5.6 for that plugin to work with OJS 3.1
Regards,
Israel Cefrin
Public Knowledge Project Team
Hi @kawahyu
Your issue is quite similar to a previous thread about PHP version. I think you will need to upgrade to at least PHP 5.6 for that plugin to work with OJS 3.1
Regards,
Israel Cefrin
Public Knowledge Project Team