the JSON object must be str, bytes or bytearray, not NoneType

[njbhatt18]

Information about bug

Reported Error in Leave Application

Module

HR

Version

ERPNext: v15.46.2 (version-15)
Frappe Framework: v15.50.1 (version-15)
Frappe HR: v15.36.1 (version-15)
India Compliance: v15.14.6 (version-15)

Installation method

manual install

Relevant log output / Stack trace / Full Error Message.

Traceback with variables (most recent call last):
  File "apps/frappe/frappe/app.py", line 114, in application
    response = frappe.api.handle(request)
      request = <Request 'https://erp.techseria.com/api/method/hrms.hr.doctype.leave_application.leave_application.get_events?doctype=Leave%20Application&start=2024-11-25%2000:00:00&end=2025-01-06%2000:00:00&field_map={"start":"from_date","end":"to_date","id":"name","title":"title","docstatus":1,"color":"color"}' [GET]>
      response = None
      rollback = True
      e = TypeError('the JSON object must be str, bytes or bytearray, not NoneType')
  File "apps/frappe/frappe/api/__init__.py", line 49, in handle
    data = endpoint(**arguments)
      request = <Request 'https://erp.techseria.com/api/method/hrms.hr.doctype.leave_application.leave_application.get_events?doctype=Leave%20Application&start=2024-11-25%2000:00:00&end=2025-01-06%2000:00:00&field_map={"start":"from_date","end":"to_date","id":"name","title":"title","docstatus":1,"color":"color"}' [GET]>
      endpoint = <function handle_rpc_call at 0xf52d27420d60>
      arguments = {'method': 'hrms.hr.doctype.leave_application.leave_application.get_events'}
  File "apps/frappe/frappe/api/v1.py", line 36, in handle_rpc_call
    return frappe.handler.handle()
      method = 'hrms.hr.doctype.leave_application.leave_application.get_events'
      frappe = <module 'frappe' from 'apps/frappe/frappe/__init__.py'>
  File "apps/frappe/frappe/handler.py", line 50, in handle
    data = execute_cmd(cmd)
      cmd = 'hrms.hr.doctype.leave_application.leave_application.get_events'
      data = None
  File "apps/frappe/frappe/handler.py", line 86, in execute_cmd
    return frappe.call(method, **frappe.form_dict)
      cmd = 'hrms.hr.doctype.leave_application.leave_application.get_events'
      from_async = False
      server_script = None
      method = <function get_events at 0xf52d1c398860>
  File "apps/frappe/frappe/__init__.py", line 1726, in call
    return fn(*args, **newargs)
      fn = <function get_events at 0xf52d1c398860>
      args = ()
      kwargs = {'doctype': 'Leave Application', 'start': '2024-11-25 00:00:00', 'end': '2025-01-06 00:00:00', 'field_map': '{"start":"from_date","end":"to_date","id":"name","title":"title","docstatus":1,"color":"color"}', 'cmd': 'hrms.hr.doctype.leave_application.leave_application.get_events'}
      newargs = {'start': '2024-11-25 00:00:00', 'end': '2025-01-06 00:00:00'}
  File "apps/frappe/frappe/utils/typing_validations.py", line 31, in wrapper
    return func(*args, **kwargs)
      args = ()
      kwargs = {'start': '2024-11-25 00:00:00', 'end': '2025-01-06 00:00:00'}
      apply_condition = <function whitelist.<locals>.innerfn.<locals>.<lambda> at 0xf52d1c3987c0>
      func = <function get_events at 0xf52d1c398720>
  File "apps/hrms/hrms/hr/doctype/leave_application/leave_application.py", line 1181, in get_events
    filters = json.loads(filters)
      start = '2024-11-25 00:00:00'
      end = '2025-01-06 00:00:00'
      filters = None
      json = <module 'json' from '/usr/lib/python3.11/json/__init__.py'>
  File "/usr/lib/python3.11/json/__init__.py", line 339, in loads
    raise TypeError(f'the JSON object must be str, bytes or bytearray, '
      s = None
      cls = None
      object_hook = None
      parse_float = None
      parse_int = None
      parse_constant = None
      object_pairs_hook = None
      kw = {}
builtins.TypeError: the JSON object must be str, bytes or bytearray, not NoneType

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