diff --git a/backend/src/overpass/overpass.py b/backend/src/overpass/overpass.py
index 2bdfb66..2aa3510 100644
--- a/backend/src/overpass/overpass.py
+++ b/backend/src/overpass/overpass.py
@@ -335,8 +335,6 @@ def fill_cache():
                 with open(entry.path, 'r') as f:
                     try :
                         json_data = json.load(f)
-                    except json.decoder.JSONDecodeError as exc :
-                        raise Exception(f'Failed to parse file {f}') from exc
                     except Exception as exc :
                         raise Exception(f'An unexpected error occured while parsing file {f}') from exc
         
diff --git a/backend/src/parameters/optimizer_parameters.yaml b/backend/src/parameters/optimizer_parameters.yaml
index 5a28e49..2603e08 100644
--- a/backend/src/parameters/optimizer_parameters.yaml
+++ b/backend/src/parameters/optimizer_parameters.yaml
@@ -6,4 +6,4 @@ max_landmarks_refiner: 20
 overshoot: 0.0016
 time_limit: 1
 gap_rel: 0.05
-max_iter: 25
\ No newline at end of file
+max_iter: 40
\ No newline at end of file