Error DeluxeMenus

[19:20:34 WARN]: [DeluxeMenus] Detected invalid configuration in file: minijeux.yml
[19:20:34 WARN]: org.bukkit.configuration.InvalidConfigurationException: expected '<document start>', but found BlockMappingStart
 in 'string', line 215, column 1:
    items:
    ^
[19:20:34 WARN]:        at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:57)
[19:20:34 WARN]:        at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:226)
[19:20:34 WARN]:        at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:169)
[19:20:34 WARN]:        at com.extendedclip.deluxemenus.DeluxeMenusConfig.checkConfig(DeluxeMenusConfig.java:578)
[19:20:34 WARN]:        at com.extendedclip.deluxemenus.DeluxeMenusConfig.loadGUIMenus(DeluxeMenusConfig.java:658)
[19:20:34 WARN]:        at com.extendedclip.deluxemenus.DeluxeMenusCommands.onCommand(DeluxeMenusCommands.java:53)
[19:20:34 WARN]:        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[19:20:34 WARN]:        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
[19:20:34 WARN]:        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641)
[19:20:34 WARN]:        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchServerCommand(CraftServer.java:627)
[19:20:34 WARN]:        at net.minecraft.server.v1_8_R3.DedicatedServer.aO(DedicatedServer.java:412)
[19:20:34 WARN]:        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:375)
[19:20:34 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654)
[19:20:34 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557)
[19:20:34 WARN]:        at java.lang.Thread.run(Thread.java:748)
[19:20:34 WARN]: Caused by: expected '<document start>', but found BlockMappingStart
 in 'string', line 215, column 1:
    items:
    ^
[19:20:34 WARN]:        at org.yaml.snakeyaml.parser.ParserImpl$ParseDocumentStart.produce(ParserImpl.java:225)
[19:20:34 WARN]:        at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)
[19:20:34 WARN]:        at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:143)
[19:20:34 WARN]:        at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:108)
[19:20:34 WARN]:        at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:120)
[19:20:34 WARN]:        at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:450)
[19:20:34 WARN]:        at org.yaml.snakeyaml.Yaml.load(Yaml.java:369)
[19:20:34 WARN]:        at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:55)
[19:20:34 WARN]:        ... 14 more
[19:20:34 WARN]: [DeluxeMenus] Menu: first in file: minijeux.yml not loaded.