I have a Proplem with Gui shop . I have it installed on my Server (Version : 1.12.0)with Vault ,Silkspawners and PlayerVaults .I also have Java 8 installed.

Here is the mistake in the console:

21:23:51 INFO]: [SilkSpawners] AutoUpdater is enabled.
[21:23:52 INFO]: [SilkSpawners] Result from AutoUpdater is: NO_UPDATE
[21:23:52 INFO]: [SilkSpawners] BarAPI is disabled due to config setting.
[21:23:52 INFO]: [GUIShop] Enabling GUIShop v6.3.1
[21:23:52 WARN]: [GUIShop] Vault was not installed! This plugin is required!
[21:23:52 INFO]: [GUIShop] Disabling GUIShop v6.3.1
[21:23:52 INFO]: [PlayerVaults] Enabling PlayerVaults v3.5.7-b${BUILD_NUMBER}
[21:23:52 INFO]: Server permissions file permissions.yml is empty, ignoring it
[21:23:52 INFO]: Done (5,591s)! For help, type "help" or "?"
[21:23:52 INFO]: [PlayerVaults] ** Vaults have already been converted to UUIDs. If this is incorrect, shutdown your server and rename the plugins\PlayerVaults\uuidvaults directory.
[21:23:52 INFO]: [Vault] Checking for Updates ...
[21:23:52 INFO]: [PlayerVaults] We didn't find an update!
[21:23:53 INFO]: [Vault] No new version available

plugins
[21:24:12 INFO]: Plugins (4): Vault, SilkSpawners, GUIShop(is red), PlayerVaults

Would you be able to send your entire console log?