Fixed.

simonbrowndotje · simonbrowndotje · commit 2bbc461ccac0 · 2022-08-14T16:45:19.000+01:00
diff --git a/build.gradle b/build.gradle
@@ -30,7 +30,7 @@ subprojects { proj ->
     compileJava.options.encoding = 'UTF-8'
     compileTestJava.options.encoding = 'UTF-8'
 
-    sourceCompatibility = 1.11
+    sourceCompatibility = 1.8
     targetCompatibility = 1.8
 
     java {
