You need to provide the Authorization when connecting Contact Science to MSPbots.

Perform the following steps to connect Contact Science to MSPbots: 

1. Secure the Authorization information for your Contact Science account.
2. Log in to the MSbots app and navigate to Integrations on the menu.
3. On the Integrations tab, search for Contact Science and click it. 
4. Enter the Authorization in the corresponding fields.
5. Click Save And Sync.