upgrade from 10.1 to 11.5 - a proxypass irule broke. maybe its just old?

I wont post the entire proxypass irule, just the header. heres the horrific log entry:   Mar 26 22:12:18 ltm-intra-2m info tmm2[12684]: Rule /Common/ProxyPassvip_common.rtpnc.epa.gov : VS=/Oracle/...