There are some requirements to continue with the MLS Sync Plugin, and
if you do not meet the requirements, you can not proceed with the MLS
Sync.
If you want to meet the requirements and the plugin shows that you are
not currently meeting it, you need to...
MLS Sync Requirements are as follows:
* PHP >= 7.1
* MySQL >= 5.6
* Some PHP Settings as follows:
* max_execution_time >= 3000
* memory_limit >= 256MB
* post_max_size >= 64MB
* upload_max_filesize >= 64MB
