diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..c61c019
--- /dev/null
+++ b/errors.go
@@ -0,0 +1,14 @@
+package raft
+
+import (
+	"sourcecode.social/reiver/go-erorr"
+)
+
+const (
+	errNilFile        = erorr.Error("raft: nil file")
+	errNilFileInfo    = erorr.Error("raft: nil file-info")
+	errNilReader      = erorr.Error("raft: nil reader")
+	errNilReceiver    = erorr.Error("raft: nil receiver")
+	errNilWriteCloser = erorr.Error("raft: nil write-closer")
+	errNilWriter      = erorr.Error("raft: nil writer")
+)