Error rendering PBI Report in Web Services

Getting the following error after publishing to PBI webservices.

Resources Exceeded
This visual has exceeded the available resources. Try filtering to decrease the amount of data displayed.
Please try again later or contact support. If you contact support, please provide these details.
More details: Resource Governing: The query exceeded the maximum memory allowed for queries executed in the current workload group (Requested 1048578KB, Limit 1048576KB).
Activity ID: 1458e359-35ed-47b6-b6e3-989859987b6a
Correlation ID: 34f4ea3e-6479-1ced-2616-7ec2e6f1f2b3
Request ID: ec9d962e-6ace-d03e-ad76-59961f3620b5
Time: Tue Aug 06 2019 14:41:06 GMT+1000 (AUS Eastern Standard Time)
Version: 13.0.10315.184
Cluster URI: https://wabi-south-east-asia-redirect.analysis.windows.net

Any help or advise on optimization (other than the standard suggestions\ best practices) will be appreciated.

Thanks