ShopChest (2 problems)

[fra130701]

I'm addressing 2 issues with ShopChest.

ASkyBlock:
ASkyBlock version 3.0.9.5-SNAPSHOT
[22:30:23 INFO]: A SkyBlock Plugin
[22:30:23 INFO]: Author: Tastybento

ShopChest: (Latest build on CodeMc)
ShopChest version 1.13-SNAPSHOT
[22:30:47 INFO]: Create your own nice-looking chest shops and sell your stuff to other players!
[22:30:47 INFO]: Website: https://www.spigotmc.org/resources/shopchest.11431/
[22:30:47 INFO]: Author: EpicEric

Server Version:
This server is running Paper version git-Paper-33d42c8e (MC: 1.12.2) (Implementing API version 1.12.2-R0.1-SNAPSHOT)
[22:31:11 INFO]: Previous version: git-Paper-1618 (MC: 1.12.2)

ERROR 1:
ShopChest is spamming that there are 3 shops presents in 3 different locations, but there aren't shops..
[ShopChest] No Chest found in world 'ASkyBlock' at location: 29143; 98; -15105
[ShopChest] No Chest found in world 'ASkyBlock' at location: 29141; 98; -15105
[ShopChest] No Chest found in world 'ASkyBlock' at location: 29139; 98; -15105

ERROR 2:
Sometimes happens that shop are not visible (random), and i found this error:
-> https://paste.lucko.me/mbLyflJtVm

Regards,
Fran