Release 2.7

api/src/main/java/me/lucko/luckperms/exceptions/MembershipException.java

@@ -0,0 +1,8 @@
+package me.lucko.luckperms.exceptions;
+
+/**
+ * Thrown when a permission holding object doesn't / already has a permission or isn't / is already is a member of a group
+ * @since 2.7
+ */
+public abstract class MembershipException extends Exception {
+}

api/src/main/java/me/lucko/luckperms/exceptions/ObjectAlreadyHasException.java

@@ -26,5 +26,5 @@ package me.lucko.luckperms.exceptions;
  * Thrown when a permission holding object already has a permission, is already a member of a group, or when a track
  * already contains a group.
  */
-public class ObjectAlreadyHasException extends Exception {
+public class ObjectAlreadyHasException extends MembershipException {
 }

api/src/main/java/me/lucko/luckperms/exceptions/ObjectLacksException.java

@@ -26,5 +26,5 @@ package me.lucko.luckperms.exceptions;
  * Thrown when a permission holding object does not already have a permission, is not already a member of a group,
  * or when a track doesn't contain a group.
  */
-public class ObjectLacksException extends Exception {
+public class ObjectLacksException extends MembershipException {
 }