Problem in runiing

[jhmsd]

WARNING: local variable 'error' referenced before assignment
WARNING: local variable 'error' referenced before assignment
INFO: Idle: 0, Running: 0, Completed: 180 [ 8h 6m ]
INFO: Idle: 0, Running: 0, Completed: 180 [ 8h 6m ]
local variable 'error' referenced before assignment
Cluster Error detected. Do you want to clean the queue? ("c"=continue the run anyway) [y, n, c][60s to answer]

use y
Command "generate_events run_01" interrupted with error:
UnboundLocalError : local variable 'error' referenced before assignment
Please report this bug on https://bugs.launchpad.net/mg5amcnlo
More information is found in '/home/samiullah/Downloads/MG5_aMC_v2.9.13/MG5_aMC_v2_9_13/bin/bothvalues/run_02_tag_1_debug.log'.
Please attach this file to your report.
I waited 8 hours for result but at the end it gives error?now what should i do?