SolusVM is not operable due to license mismatch error: A slave license mismatch has occured. One or more of your slaves have an incorrect license type

Symptoms 

SolusVM is not operable due to license mismatch error:

CONFIG_TEXT: Warning!
A slave license mismatch has occured. One or more of your slaves have an incorrect license type.

Your license contains:

3 Unlimited Licenses | 4 Mini Licenses | 1 Micro Licenses
Your licenses are currently assigned in the following way:

3 nodes assigned with a Unlimited License
3 nodes assigned with a Mini License
2 nodes assigned with a Micro Licenses

Cause

Slave nodes license types on the SolusVM license does not match the actual license types on the slave nodes set.

Resolution

Check the license type for every node :

1. Log into SolusVM
2. Browse to the slave node edit page Dashboard > Nodes > click on the pencil icon on the right side of the slave node
3. Check the option set as the License Type parameter.

Compare the license types on the nodes and the license types configured on the license itself. Select the correct one from the drop-down menu according to the number of VPSes on the node.