碰到一个问题。用VMM仿真，报错说monitor的main在调用时候尚未定义

loecd4346

各位好：在此求助一个问题
仿真报错如下：
Error-[NOA] Null object access
../testbench/sata_monitor.sv, 40
  The object at dereference depth 1 is being used before it was
  constructed/allocated.
  Please make sure that the object is allocated before using it.
  
  #0 in \sata_monitor::main  at ../testbench/sata_monitor.sv:40
  #1 in \vmm_xactor::new  at /ware/synopsys/vcs/etc/vmm/vmm.sv:48072
  #2 in \sata_env::reset_dut  at ../testbench/sata_env.sv:66
  #3 in \vmm_env::cfg_dut  at /ware/synopsys/vcs/etc/vmm/vmm.sv:47566
  #4 in \sata_env::cfg_dut  at ../testbench/sata_env.sv:71
  #5 in \vmm_env::pre_test  at /ware/synopsys/vcs/etc/vmm/vmm.sv:47408
  #6 in \vmm_env::run  at /ware/synopsys/vcs/etc/vmm/vmm.sv:47371
  #7 in unnamed$$_2 at ../testbench/sata_test.sv:20
  #8 in sata_test_top.P_sata_test

不知问题在那，monitor在env的build中已经例化。
在线等。

loecd4346

找到问题了，一个channel没定义