strava-datasource: Configuration Errror - "Cannot connect to Strava API"

I am having issues getting the Strava datasource to work properly. When saving and testing the datasource, this happens:

Related messages from the Grafana server log

t=2020-03-11T15:58:46+0000 lvl=eror msg="Metric request error" logger=context userId=1 orgId=1 uname=admin error="Could not find executor for data source type: grafana-strava-datasource"
t=2020-03-11T15:58:46+0000 lvl=eror msg="Request Completed" logger=context userId=1 orgId=1 uname=admin method=POST path=/api/tsdb/query status=500 remote_addr=10.0.0.17 time_ms=5 size=34 referer="http://10.0.0.100:3000/datasources/edit/3/?state=&code=<INSERT_CODE_HERE>&scope=read,activity:read_all,profile:read_all,read_all"

Grafana Version: Version 6.6.2 (commit: 3fa63cfc34, branch: HEAD)

Any help would be greatly appriciated!