Calendar Base Error

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

Note: Please verify your URL parameter: tx_cal_controller[uid]

MoDiMiDoFrSaSo
01 02 03 04 05 0607
08 09 10 1112 13 14
1516 17 1819 20 21
22 23 24 25 26 27 28
29 30 31 01 02 03 04