task run_phase(uvm_phase phase);
my_vif.write_data <= req.data;
my code is above, when run test, it drives sequences to driver via sequencer, but in run_phase of driver i get a error message, it is below.
**Fatal: (SIGSEV) Bad handle or reference.
Fatal error in Task my_agent_pkg/my_driver::run_phase at my_driver.sv Line 72
thank you for answers