1 files changed, 4 insertions, 0 deletions
diff --git a/tvix/eval/src/errors.rs b/tvix/eval/src/errors.rs
index 8a85972923..fb9f3b6ec5 100644
--- a/tvix/eval/src/errors.rs
+++ b/tvix/eval/src/errors.rs
@@ -6,6 +6,10 @@ pub enum Error {
         key: String,
     },
 
+    InvalidKeyType {
+        given: &'static str,
+    },
+
     TypeError {
         expected: &'static str,
         actual: &'static str,