diff --git a/repository/Fossil/FossilRepo.class.st b/repository/Fossil/FossilRepo.class.st
index 05a9b8f..342ee68 100644
--- a/repository/Fossil/FossilRepo.class.st
+++ b/repository/Fossil/FossilRepo.class.st
@@ -18,6 +18,11 @@ Class {
 	#category : #Fossil
 }
 
+{ #category : #'as yet unclassified' }
+FossilRepo >> add: aFileLocator [ 
+	self shouldBeImplemented.
+]
+
 { #category : #authentication }
 FossilRepo >> authTokenFor: anUserName withPassword: passwordString [
 	^ ((self loginAs: anUserName withPassword: passwordString) at: 'payload') at: 'authToken'