NQL query join failed with runtime error

Query: select store.store_id, inventory.inventory_id from default:sakila._default.inventory inner join default:sakila._default.store ON inventory.store_id = store.store_id where store.store_id = 1;

Error: {"status": "Failure contacting server."}

https://cb-jira.s3.us-east-2.amazonaws.com/logs/QE/collectinfo-2021-03-19T180319-ns_1%40172.23.121.40.zip

build: beta2 build - Enterprise Edition 7.0.0 build 4554

Env: http://172.23.121.1:8091/

Notes:

1. Query failed with/without using the query_context in the QWB UI
2. The same query runs successfully in cbq