KeyError: 'APP_NAME', formatter.add_service_name(self.application.config["APP_NAME"])

[NguyenDangBinh]

Describe the bug
from pyms.flask.app import Microservice
ms = Microservice()
app = ms.create_app()
if name == 'main':
app.run()

And I had this errors. Can I help me?
Traceback (most recent call last):
File "main.py", line 7, in
app = ms.create_app()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\site-packages\pyms\flask\app\create_app.py", line 164, in create_app
self.init_logger()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\site-packages\pyms\flask\app\create_app.py", line 104, in init_logger
formatter.add_service_name(self.application.config["APP_NAME"])
KeyError: 'APP_NAME'

[NguyenDangBinh]

dear all,
I update the error below.
ms = Microservice()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\site-packages\pyms\flask\app\utils.py", line 16, in call
cls._instances[cls] = super(SingletonMeta, cls).call(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\site-packages\pyms\flask\app\create_app.py", line 47, in init
validate_conf()
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\site-packages\pyms\config\conf.py", line 44, in validate_conf
config = ConfFile(*args, **kwargs)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python36\lib\site-packages\pyms\config\confile.py", line 60, in init
raise ConfigDoesNotFoundException("Configuration file {}not found".format(path + " "))
pyms.exceptions.ConfigDoesNotFoundException: Configuration file not found