Why are we receiving "Exceed Maximum Table Count Error" when adding more table to a report?

Environment:

Analytics
Oracle B2C Service, All versions

Issue:

When we try to add more table in a report, we are receiving:

Exceed Maximum Table Count Error
You have exceeded the maximum table count for this report.

Resolution:

The maximum table count that can be added in a report is 20 tables. Currently, the limit is non configurable and is designed to help report's performance.