coderam

Getting error adding a new collection:

3

ValidationError at /admin/portfolio/collection/add/ [u'ManagementForm data is missing or has been tampered with'] Request Method: POST Request URL: http://localhost:8000/admin/portfolio/collection/add/ Django Version: 1.7.11 Exception Type: ValidationError Details: C:\Users\coderam\Envs\coderam\lib\site-packages\adminsortable\admin.py in add_view ``` if...

thanks!