TypeError at /xadmin/xadmin/log/

coercing to Unicode: need string or buffer, instancemethod found
     

Request Method:

GET    

Request URL:

http://127.0.0.1:8000/xadmin/xadmin/log/    

Django Version:

1.9    

Exception Type:

TypeError    

Exception Value:

coercing to Unicode: need string or buffer, instancemethod found
   

Exception Location:

C:\Users\Lenovo\Envs\mxonline\lib\site-packages\django\utils\encoding.py in force_text, line 78    

Python Executable:

C:\Users\Lenovo\Envs\mxonline\Scripts\python.exe    

Python Version:

2.7.13    

Python Path:

['C:\\Users\\Lenovo\\PycharmProjects\\MxOnline\\extra_apps',
'C:\\Users\\Lenovo\\PycharmProjects\\MxOnline\\apps',
'C:\\Users\\Lenovo\\PycharmProjects\\MxOnline',
'C:\\Users\\Lenovo\\PycharmProjects\\MxOnline\\extra_apps',
'C:\\Users\\Lenovo\\PycharmProjects\\MxOnline',
'C:\\Users\\Lenovo\\PycharmProjects\\MxOnline\\apps',
'C:\\Windows\\system32\\python27.zip',
'C:\\Users\\Lenovo\\Envs\\mxonline\\DLLs',
'C:\\Users\\Lenovo\\Envs\\mxonline\\lib',
'C:\\Users\\Lenovo\\Envs\\mxonline\\lib\\plat-win',
'C:\\Users\\Lenovo\\Envs\\mxonline\\lib\\lib-tk',
'C:\\Users\\Lenovo\\Envs\\mxonline\\Scripts',
'd:\\python27\\Lib',
'd:\\python27\\DLLs',