Snipssonos dosn't work

Hello, boys,
I have snipssonos installed and just can’t get it to work. When I start the snipsmanager there is always an error message:

2019-08-08 00:58:33 [INFO] Starting Snips Manager
2019-08-08 00:58:33 [INFO] Loading skill snipssonos
2019-08-08 00:58:33 [ERROR] Error loading skill snipssonos: No module named snipssonos.snipssonos
2019-08-08 00:58:33 [INFO] Starting the Snips Manager server.
2019-08-08 00:58:33 [INFO] Connecting to localhost on port 1883
2019-08-08 00:58:33 [INFO] Trying to connect to localhost
2019-08-08 00:58:33 [INFO] Connected with result code 0

Can someone help me? The tutorial was posted on the main page of snips.ai