diff --git a/.vscode/launch.json b/.vscode/launch.json
index d7bcf51..4004ca9 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -15,9 +15,9 @@
                 "SECRET_KEY" : "zdiTz8P3jXOc7jztIQAoelK4zztyuCpJ" // https://randomkeygen.com/
             },
             "args": [
-                "run" //,
-//                "--no-debugger",
-                //"--no-reload"
+                "run",
+                // "--no-debugger",
+                "--no-reload"
             ],
             "jinja": true,
             "justMyCode": true
diff --git a/src/server/BreCal/impl/history.py b/src/server/BreCal/impl/history.py
index 522071e..f408001 100644
--- a/src/server/BreCal/impl/history.py
+++ b/src/server/BreCal/impl/history.py
@@ -1,6 +1,7 @@
 import json
 import logging
 import pydapper
+import pdb
 
 from ..schemas import model
 from ..schemas.model import History
@@ -17,8 +18,6 @@ def GetHistory(options):
     try:
         pooledConnection = local_db.getPoolConnection()
         commands = pydapper.using(pooledConnection)
-        h = History(1, 1, 1, "2020-01-01", "2020-01-01", model.ObjectType.shipcall, model.Operation.insert)
-       
 
         if "shipcall_id" in options and options["shipcall_id"]:
             data = commands.query("SELECT id, participant_id, shipcall_id, timestamp, eta, type, operation FROM history WHERE shipcall_id = ?shipcallid?",
@@ -29,6 +28,7 @@ def GetHistory(options):
         pooledConnection.close()
 
     except Exception as ex:
+        pdb.pm()
         logging.error(ex)
         print(ex)
         result = {}
diff --git a/src/server/BreCal/schemas/model.py b/src/server/BreCal/schemas/model.py
index e37b3f2..786b00f 100644
--- a/src/server/BreCal/schemas/model.py
+++ b/src/server/BreCal/schemas/model.py
@@ -1,7 +1,7 @@
 from dataclasses import field, dataclass
 from marshmallow import Schema, fields, INCLUDE, ValidationError
 from marshmallow_enum import EnumField
-from enum import Enum
+from enum import IntEnum
 
 from marshmallow_dataclass import dataclass
 from typing import List
@@ -25,14 +25,16 @@ class Berth(Schema):
     modified: datetime
     deleted: bool
 
-class Operation(Enum):
-    insert = 1,
-    update = 2,
-    delete = 3
+class Operation(IntEnum):
+    UNDEFINED = 0
+    INSERT = 1
+    UPDATE = 2
+    DELETE = 3
 
-class ObjectType(Enum):
-    shipcall = 1,
-    times = 2
+class ObjectType(IntEnum):
+    UNDEFINED = 0
+    SHIPCALL = 1
+    TIMES = 2
 
 @dataclass
 class History:
@@ -45,7 +47,7 @@ class History:
         self.type = type
         self.operation = operation
         pass
-    
+
     id: int
     participant_id: int
     shipcall_id: int
@@ -54,8 +56,8 @@ class History:
     type: EnumField(ObjectType)
     operation: EnumField(Operation)
     @classmethod
-    def from_query_row(self, id, participant_id, ship_id, timestamp, eta, type, operation):
-        return self(id, participant_id, ship_id, timestamp, eta, ObjectType(type), Operation(operation))
+    def from_query_row(self, id, participant_id, shipcall_id, timestamp, eta, type, operation):
+        return self(id, participant_id, shipcall_id, timestamp, eta, ObjectType(type), Operation(operation))
 
 class Error(Schema):
     message = fields.String(required=True)