SEVERE][ARLFE2][RUNTIME]exception in processEvent java.lang.NullPointerException

Hi,

end user wait processing long time wortking with app, report, ..so on...

when activate debug for web environment, user display "Exception"

log:

Exception in web environment:

04 Mar 2016 19:09:26,978[Line -1][APP][ARLFE2][RUNTIME]P0411_W0411K_SHL5704Q01, at ER Line = 47 If statement: evaluates TRUE.
04 Mar 2016 19:09:26,978[Line -1][APP][ARLFE2][RUNTIME]P0411_W0411K_SHL5704Q01, at ER Line = 48 Executed Assignment: GC[242] = {GV[572] }
04 Mar 2016 19:09:26,978[Line -1][APP][ARLFE2][RUNTIME]P0411_W0411K_SHL5704Q01, at ER Line = 50 If statement: evaluates TRUE.
04 Mar 2016 19:09:26,978[Line -1][APP][ARLFE2][RUNTIME]P0411_W0411K_SHL5704Q01, at ER Line = 51 Executed Assignment: GC[245] = {GV[573] }
04 Mar 2016 19:09:26,979[Line -1][APP][ARLFE2][RUNTIME]P0411_W0411K_SHL5704Q01, at ER Line = 53 If statement: evaluates TRUE.