GAP and CPUTime in JuMP v0.19

Specific Domains Optimization (Mathematical)
6

Hello friend,
I tried to use MOI.get(modelo, MOI.RelativeGap()), but doesn’t work. The error:
ERROR: MethodError: no method matching get_relative_mip_gap(::CPLEX.Optimizer) appears.
How can I solve this problem?
Hugs,