diff --git a/backend/app/db/crud.py b/backend/app/db/crud.py
index b3bf113..0462218 100644
--- a/backend/app/db/crud.py
+++ b/backend/app/db/crud.py
@@ -180,7 +180,7 @@ def get_flow(db: Session, flowid: str):
 def get_flows_by_app(db: Session, domainid: int, appid: str):
     flows = db.query(models.Flow).filter(and_(models.Flow.domainid ==  domainid,models.Flow.appid == appid)).all()
     if not flows:
-        raise HTTPException(status_code=404, detail="Data not found")
+        raise Exception("Data not found")
     return flows
 
 def create_domain(db: Session, domain: schemas.DomainBase):