1 files changed, 3 insertions, 0 deletions
diff --git a/src/validate.rs b/src/validate.rs
index b96c477..0ff43fe 100644
--- a/src/validate.rs
+++ b/src/validate.rs
@@ -13,6 +13,9 @@ pub(crate) fn validate(data: &Data) -> Result<(), Error> {
     validate_list_extra_teams(data, &mut errors);
 
     if !errors.is_empty() {
+        errors.sort();
+        errors.dedup_by(|a, b| a == b);
+
         for err in &errors {
             eprintln!("validation error: {}", err);
         }