Hotfix AnvilGUI Error

SpigotCore_Main/build.gradle

@@ -59,7 +59,7 @@ dependencies {
     compileOnly files("${project.rootDir}/lib/Spigot-1.15.jar")
     compileOnly files("${project.rootDir}/lib/WorldEdit-1.12.jar")
     compileOnly files("${project.rootDir}/lib/ProtocolLib.jar")
-    compileOnly 'net.wesjd:anvilgui:1.4.0-SNAPSHOT'
+    implementation 'net.wesjd:anvilgui:1.4.0-SNAPSHOT'
 }
 
 processResources {