Error 405 Method Not Allowed

GET https://masaepiano.com/admin/concert/26/delete?_locale%252525253Dde%2525253D%25253D%253D%3D%26amp%3D%26page%3D1%26sort%255Blien%255D%3DDESC=

IP
2a03:2880:f800:41::
Profiled on
Token
04c0c9
Forwarded to ErrorController (94a897)

Validator calls

No calls to the validator were collected.