Basic info:
1. nopCommerce version : 3.80 & 3.90
2. Any private modifications you made to your nopCommerce : No
3. The version of MS SQL database you're running nopCommerce with : MS SQL 2014
4. Anything else that could possibly be relevant: Not sure.
Description:
Try to configure more than 11 pickup points and check map, It'll display just 10 to 11 markers.
Further more, select any address from drop-down which is not located at map, it gives console error.
Possible cause and solutions!
https://www.nopcommerce.com/boards/t/47561/pickup-point-map-does-not-show-markers-for-all-points.aspx#188577
https://www.nopcommerce.com/boards/t/47561/pickup-point-map-does-not-show-markers-for-all-points.aspx#188600
https://www.nopcommerce.com/boards/t/47561/pickup-point-map-does-not-show-markers-for-all-points.aspx#188601