"Error: Failure to scale bundle" when running sandbox

[ser-shant]

I am getting an error when trying to run the sandbox, could you please advice how to fix it?

:~$ sandbox run 2.1.15 -n 3 --feature visualization
Stopping ConductR
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ConductR agent pid 3063 stopped
ConductR agent pid 3068 stopped
ConductR core pid 2984 stopped
ConductR agent pid 3060 stopped
ConductR has been successfully stopped
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Starting ConductR
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Bintray credentials loaded from /home/osboxes/.lightbend/commercial.credentials
Extracting ConductR core to /home/osboxes/.conductr/images/core
Extracting ConductR agent to /home/osboxes/.conductr/images/agent
Starting ConductR core instance on 192.168.10.1..
Waiting for ConductR to start......
Starting ConductR agent instance on 192.168.10.1..
Starting ConductR agent instance on 192.168.10.2..
Starting ConductR agent instance on 192.168.10.3..
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Starting continuous delivery feature
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Deploying bundle continuous-delivery..
Retrieving bundle..
Resolving bundle using [bintray_resolver, docker_resolver]
Loading bundle from cache typesafe/bundle/continuous-delivery
Bintray credentials loaded from /home/osboxes/.lightbend/commercial.credentials
Retrieving from cache /home/osboxes/.conductr/cache/bundle/continuous-delivery-2.1.6-64affe9f9d126d31674f1408731b4e08232fbb4d557e34fe11daefeaa4d182ef.zip
Loading bundle to ConductR..
[##################################################] 100%
Bundle 64affe9f9d126d31674f1408731b4e08 is installed
Bundle loaded.
Bundle run request sent.
Bundle 64affe9f9d126d31674f1408731b4e08 waiting to reach expected scale 1
Bundle 64affe9f9d126d31674f1408731b4e08 has scale 0, expected 1.
Error: Failure to scale bundle 64affe9f9d126d31674f1408731b4e08
Error: Bundle 64affe9f9d126d31674f1408731b4e08 has error
Warning: Please enable consolidated logging to view bundle events and logs
Once enabled, inspect the latest bundle events and logs using:
conduct events 64affe9f9d126d31674f1408731b4e08
conduct logs 64affe9f9d126d31674f1408731b4e08