When configuring a Blazemeter test, an error, such as this one, may show up when configuring the Load Configuration or Load Distribution:
Every location from every cloud provider is limited to a maximum number of engines. If, at a certain point in time, this maximum is exceeded by all active Blazemeter tests, the above error will show up.
Blazemeter SaaS
Configure the test to run from another location/cloud provider or retry the same configuration at some later point in time.
case 32498280