How to use Virtual sequence containing different sequences running on different sequencers?

In reply to karandeepsingh:

Thanks for your reply .

As I tried what you have suggested but again I am getting an error :

Following verilog source has syntax error :
token is ""
uvm_config_db#(SEQUENCER_MY)::set(null,
,“seqr_main”,env.ahb_system_env.sequencer);