Router error: controller+action not found!

ControllerNameSpace: \EON\LlegaLaXiiiMarchaSolidaria\Frontend\LlegaLaXiiiMarchaSolidariaController
Scope: Frontend
Module: LlegaLaXiiiMarchaSolidaria
Action: posts
Parameters: Array
(
    [0] => 2097
    [1] => fundacionedes@fundacionedes.org
)