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 0304 05 0607
08 09 1011 12 1314
15 16 171819 20 21
22 23 24 25 26 2728
29 30 01 02 03 04 05