diff --git a/backend/modules/service_auto/services/comanda_service.py b/backend/modules/service_auto/services/comanda_service.py
index c7c08b9..505a0b2 100644
--- a/backend/modules/service_auto/services/comanda_service.py
+++ b/backend/modules/service_auto/services/comanda_service.py
@@ -33,6 +33,10 @@ def _handle_oracle_error(e: Exception) -> NoReturn:
         clean = re.sub(r"^ORA-\d+:\s*", "", raw_message).strip()
         raise HTTPException(status_code=422, detail=clean)
 
+    if code == 1438:
+        # ORA-01438: value larger than specified precision — bad input ID (e.g. id_masiniclient out of range)
+        raise HTTPException(status_code=422, detail="Valoare invalidă pentru câmp (ID prea mare)")
+
     if code in (12541, 12170, 12154, 12560):
         raise HTTPException(
             status_code=503,