1 files changed, 7 insertions, 0 deletions

diff --git a/src/main/java/cuchaz/enigma/throwables/MappingConflict.java b/src/main/java/cuchaz/enigma/throwables/MappingConflict.java
new file mode 100644
index 0000000..5924f32
--- /dev/null
+++ b/src/main/java/cuchaz/enigma/throwables/MappingConflict.java
@@ -0,0 +1,7 @@
+package cuchaz.enigma.throwables;
+
+public class MappingConflict extends Exception {
+    public MappingConflict(String clazz, String name, String nameExisting) {
+        super(String.format("Conflicting mappings found for %s. The mapping file is %s and the second is %s", clazz, name, nameExisting));
+    }
+}