error is coming for remote logging group in 11.6 version

Hi all,

i am getting below error for remote logging group when i upgrade to my F5 from 11.4.1 to 11.6

Jul 22 21:27:31 bigip238 err tmm1[14364]: 01220001:3: TCL error: /Common/sipUdpSessionIRule_v5_011121_011431_88 - Traffic rejected (line 1) (line 1) invoked from within "log [class match -value remote equals Remote_logging_group] local0.debug "Log enable Flag is $static::logging_011121_011431_88""

till 11.4.1 it was working fine

irule snippet

set temp [ class match -value -- Dos_enable equals confParamVal_011121_011431_88 ]
if { ($temp ne "" ) and ($temp == 0 || $temp == 1) }{
    set static::Dos_enable_udp_011121_011431_88 $temp
    log [class match -value remote equals Remote_logging_group] local0.debug "Dos_enable Flag is $static::Dos_enable_udp_011121_011431_88"
}
else {
    set static::Dos_enable_udp_011121_011431_88 0
}