Calendar Base Error

Message: Missing or wrong parameter. The object you are looking for could not be found.

Note: Please verify your URL parameters: tx_cal_controller[type] and tx_cal_controller[uid].

Juni
Mo Di Mi Do Fr Sa So
27 28 29 30 31 01 02
03 04 05 06 07 08 09
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30