Five-dollar-genome workflow failed: HaplotypeCaller4:39:1 exited with return code 1 which has not be

Hi,
I have been trying to run the five dollar genome workflow on my WGS data, but failed after running for more than 24 hours. The error is from HalotypeCaller4 as below. Any idea what I should? Thank you.

message: Job germline_single_sample_workflow.HaplotypeCaller4:39:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:38:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:2:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:33:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:20:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:36:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:32:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:30:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:27:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:22:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:34:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:40:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:46:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.
message: Job germline_single_sample_workflow.HaplotypeCaller4:3:1 exited with return code 1 which has not been declared as a valid return code. See 'continueOnReturnCode' runtime attribute for more details.