Create a FlexGroup fail in the error as following:
Error: command failed: Aggregate "aggr_name" does not have enough free space to accommodate the requested number of constituents:
The largest number of constituents that the aggregate can accommodate is x.
Error: command failed: Request to provision FlexGroup "test" failed because the requested size of 30TB
(32985348833280B) is greater than the maximum size. The maximum possible size is 3.48TB (3830384132096B).