I have used GRB_NO_BE and it is ERROR XECUTABLE MISMATCH.
This method is no longer valid.
08:36:45: Ghost Recon Breakpoint, V.4805542 (UPLAY)
08:38:50: Successfully attached to GRB
08:38:52: Collect Godmode, Script error in line 24: This instruction can''t be compiled: cmp byte [UnlimitedHealth],1
Trainer has to be activated at the MAIN MENU, where you press A or START before you log in.