diff --git a/src/lib/error.hpp b/src/lib/error.hpp
index 2cc55ef..4ba2d6d 100644
--- a/src/lib/error.hpp
+++ b/src/lib/error.hpp
@@ -89,6 +89,11 @@ namespace ErrorCodes {
 
     const uint8_t NOT_YET_KNOWN = 7;
 
+    //file errors
+    const uint8_t FILE_READ_FAILED = 8;
+    const uint8_t FILE_WRITE_FAILED = 9;
+    const uint8_t FILE_NOT_FOUND = 10;
+
     const uint8_t UNIMPLEMENTED = 254;
 
     const uint8_t UNKNOWN = 255;