Server Requirements

Recommended PHP Configuration Limits.

Upload Failed, blank content pages, and other similar issues, all related to low PHP configuration limits. The solution is to increase PHP Limit. You can do this yourself or contact your web host and ask to increase the limit those limits to a minimum as follows:

• max_input_vars = 3000
• memory_limit = 128M
• max_execution_time = 300
• max_input_time = 300
• upload_max_filesize = 64M
• post_max_size = 64M