diff --git a/casadm/extended_err_msg.c b/casadm/extended_err_msg.c
index c64c437..37dbb53 100644
--- a/casadm/extended_err_msg.c
+++ b/casadm/extended_err_msg.c
@@ -132,6 +132,12 @@ struct {
 		OCF_ERR_NO_METADATA,
 		"No metadata found on device"
 	},
+	{
+		OCF_ERR_METADATA_FOUND,
+		"Old metadata found on device.\nPlease load cache metadata using --load"
+		   " option or use --force to\n discard on-disk metadata and"
+		  " start fresh cache instance.\n"
+	},
 
 	/* CAS kernel error mappings*/
 	{
diff --git a/ocf b/ocf
index 6c869d9..999f3f7 160000
--- a/ocf
+++ b/ocf
@@ -1 +1 @@
-Subproject commit 6c869d97fbf2f3fe862e106317fb1d22914723b6
+Subproject commit 999f3f724548cf69bb93b96cd17a5c122c178caf