diff --git a/src/rpc/err.rs b/src/rpc/err.rs
new file mode 100644
index 0000000..3c1fbf4
--- /dev/null
+++ b/src/rpc/err.rs
@@ -0,0 +1,5 @@
+use rocket::{http::Status, response::status::Custom};
+
+pub fn to_internal_error<E: std::fmt::Display>(e: E) -> Custom<String> {
+    Custom(Status::InternalServerError, format!("Error: {}", e))
+}