If you receive this error message indicating Aster Analytics on AWS failed to instantiate:
Aster Analytics on AWS instantiation failed due to AWS instance availability in the region selected. Please refer to <log-file-name> for further details.
Refer to the specified log file, for a message similar to this message in order to resolve the issue:
Your requested <number1> nodes for Aster Analytics on AWS in <region>. However, <number1> nodes are not available in <region>. Only up to <number2> nodes are available at this time. You can: (i) Reduce the number of nodes and re-start the instantiation process, or (ii) Change the region, or <iii> Utilize <number2> nodes and proceed to the next step.