diff --git a/qg/src/lib.rs b/qg/src/lib.rs
index 7788e57..7d945b1 100644
--- a/qg/src/lib.rs
+++ b/qg/src/lib.rs
@@ -63,6 +63,11 @@
     // a real error handling model is figured out.
     #[error("placeholder error, please bug the qg team")]
     GenericErrorPlaceholder,
+
+    // TODO(frolv): This is a placeholder error returned by some functions until
+    // a real error handling model is figured out.
+    #[error("placeholder error with string, please bug the qg team: {0}")]
+    StringErrorPlaceholder(String),
 }
 
 impl Error {