iCal plugin add no devices

[Bospieper]

Hello,
I want to experiment with iCal plugin. So I followed the Wiki on that subject. When I add in the hardware section Google as name and iCal Calendar Tool for Domoticz I am getting a message that devices are added. When look up the devicelist there is no new entry.
Here's what the log says: (see attachments)
Can you help me solving this issue?
Many thanks in advance

[zak45]

Error 126: If a command is found but is not executable, the return status is 126.
Chmod a+x to iCal.sh.

For devices, verify your settings that you accept to add new devices.