Please help to clear this LEC error (Cadence Conformal)

This is for the first time am running LEC. I encountered an non-euivalent error while running LEC. I am getting following -
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// Information: Skip the merge of following equivalent pair:
(G) 2025 DFF /U_0_port/U6_port_RXF/U_DIF/empty_d_int_reg
(G) 1986 DFF /U_0_port/U6_port_RXF/U_DIF/total_census_reg_0_
// because mapped pair are different:
(R) 2064 DFF /U_0_port/U6_port_RXF/U_DIF/empty_d_int_reg/U$1
(R) 2062 DFF /U_0_port/U6_port_RXF/U_DIF/total_census_reg_1A/U$1


// Modeling sequential merge in (R).
// Merged 1 DFF/DLAT(s) in Golden.
// Merged 1 DFF/DLAT(s) in Revised.
// Unmap 1 unreachable keypoint pairs.
// Automatic setup finished.
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Please help me clear or analyze this error. what kind of error is this?

do below command to understand in detail
analyze noneq -verbose
also try
analyze setup
go

Best of luck

Thanks for your reply Aravind

I need more help.. i might be asking very basic.. Do I need to add these commands in .dof file or how do i do it?