please go to theme folder, create php file with phpinfo() function inside and send us link to that file so we can have a look on your server settings. The problem is probably related with those limits but to be sure which one is the reason, we need that link. For more details about file creation, please visit https://mediatemple.net/community/products/dv/204643880/how-can-i-create-a-phpinfo.php-page
Also, please tell us, what is the name file you try to upload.
This is to inform you that your domain sytec.com.ph is currently hosted on one of our old servers having an old version of php. May we ask if you are willing to have your domain migrated to the newest server running the latest version of Plesk Onyx with latest versions of php. Kindly also take note that the new server is running on Linux and not on Windows server.
Comments
Also, please tell us, what is the name file you try to upload.
http://sytec.com.ph/info.php
File has been created.
Please check.
May we ask if you are willing to have your domain migrated to the newest server running the latest version of Plesk Onyx with latest versions of php.
Kindly also take note that the new server is running on Linux and not on Windows server.
Also, upon checking, your site is running on Wordpress with a MySQL database backend. You may access this link to help you decide:
http://www.theblogtip.com/