diff --git a/source/Buoy-GS64-Compatibility/GemStoneError.class.st b/source/Buoy-GS64-Compatibility/GemStoneError.class.st
new file mode 100644
index 0000000..b574988
--- /dev/null
+++ b/source/Buoy-GS64-Compatibility/GemStoneError.class.st
@@ -0,0 +1,6 @@
+Class {
+	#name : 'GemStoneError',
+	#superclass : 'Object',
+	#category : 'Buoy-GS64-Compatibility',
+	#package : 'Buoy-GS64-Compatibility'
+}