How do I change my upload size?
Your upload size determines how large the files you upload to WordPress can be.
If your upload size is not large enough some bigger files like video files, big image files, big import files (like Revolution Slider import files) etc. will not be able to upload correctly.
You can check your upload size by going to WP Admin > Media > Add New - and in the Drop files box it will tell you the "Maximum upload file size".
We recommend that you set this to 32MB or more.
To change the upload size you will need access to your server PHP.ini file.
In the PHP.ini file change the following parameters
post_max_size = 32M
upload_max_filesize = 32M
Save file and restart server.
If you do not have access to your server PHP.ini you will need to contact the people responsible for your server and kindly ask them to increase the upload size for you.
How do I change my memory size?
A related issue is the problem regarding exhausted memory size.
If you get an error message like this:
Fatal error: Allowed memory size of XXXXXXX bytes exhausted
your server does not have sufficient memoy allocated to handle WordPress operations.
Please have a look at this support thread on wordpress.org for possible solutions.