Import/Export CSV file Issue

Hi,

I am trying to upload csv file with 5000 rows only 640 or 652 rows import successfully after that import process stop. i am trying more than 20 times but unable to upload 5000 rows. no error display. so please help me what should i do for import 5000 records in simple map store locator plugin.

https://www.ads-software.com/plugins/simplemap/