Error

[13:57:09 WARN]: [CustomMines] Task #1597 for CustomMines v1.0-SNAPSHOT generated an exception
java.lang.IllegalArgumentException: Title cannot be longer than 32 characters
        at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[server.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.inventory.CraftInventoryCustom$MinecraftInventory.<init>(CraftInventoryCustom.java:59) ~[server.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.inventory.CraftInventoryCustom.<init>(CraftInventoryCustom.java:32) ~[server.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.createInventory(CraftServer.java:1525) ~[server.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.Bukkit.createInventory(Bukkit.java:938) ~[server.jar:git-Spigot-db6de12-18fbb24]
        at me.itisyedog.custommines.utils.GUIBuilder.<init>(GUIBuilder.java:38) ~[CustomMines-1.0-SNAPSHOT.jar:?]
        at me.itisyedog.custommines.gui.GUIManager$1.run(GUIManager.java:34) ~[CustomMines-1.0-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71) ~[server.jar:git-Spigot-db6de12-18fbb24]
        at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [server.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:723) [server.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [server.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [server.jar:git-Spigot-db6de12-18fbb24]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [server.jar:git-Spigot-db6de12-18fbb24]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_282]