Use new CJsonException instead of ApiClientException

src/api/routes/route.py

@@ -11,6 +11,7 @@ from api.authentication import is_moderator
 from api.miscellaneous import *
 from api.version import get_api_path, API_LATEST_VERSION, API_OLDEST_ACTIVE_VERSION
 from videoag_common.database.database import TransactionConflictError
+from videoag_common.miscellaneous.json import CJsonException
 
 _API_GLOBAL_RATE_LIMITERS = create_configured_host_rate_limiters("global", api.config["API_GLOBAL_RATE_LIMIT"])
 _DEFAULT_CACHE_CONTROL_MAX_AGE_SECONDS = api.config["DEFAULT_CACHE_CONTROL_MAX_AGE_SECONDS"]
@@ -388,6 +389,8 @@ def api_function(track_in_diagnostics: bool = True,
                     return ApiResponse(result[0], result[1]).build_response()
                 else:  # pragma: no cover
                     raise Exception(f"Api route {truncate_string(request.path)} returned result of unknown type: {str(result)}")
+            except CJsonException as e:
+                return api_on_error(ERROR_REQUEST_INVALID_PARAMETER(e.path, e.message))
             except ApiClientException as e:
                 return api_on_error(e.error)
             except TransactionConflictError as e: