BIG-IP APM/LTM with natively proxied PCoIP connections using Connection Servers only

That from APM log. According this link sol16850 https://support.f5.com/kb/en-us/solutions/public/16000/800/sol16850.html. I need to upgrade Big IP version. If you think it can be something else let me know.

Oct 21 16:35:33 GV-BigIP4000-1 notice apd[7602]: 01490128:5: e01416d5: Webtop '/Common/Viewconnect_outside.app/Viewconnect_outside_apm_webtop' assigned Oct 21 16:35:33 GV-BigIP4000-1 notice apd[7602]: 01490005:5: e01416d5: Following rule 'fallback' from item 'View Client Resource Assign' to ending 'Allow' Oct 21 16:35:33 GV-BigIP4000-1 notice apd[7602]: 01490102:5: e01416d5: Access policy result: Full Oct 21 16:35:40 GV-BigIP4000-1 err vdi[7235]: 01490000: {150.C} View signal: invalid client spi '' Oct 21 16:35:40 GV-BigIP4000-1 err vdi[7235]: 01490000: {150.C} View signal: bad xml in client request, sending fail with 1034 code. Please check signal virtual server configuration Oct 21 16:35:43 GV-BigIP4000-1 notice tmm2[10288]: 01490502:5: e01416d5: Session deleted due to user inactivity or errors. Oct 21 16:36:20 GV-BigIP4000-1 notice tmm2[10288]: 01490521:5: e01416d5: Session statistics - bytes in: 1592, bytes out: 503 Oct 21 16:44:58 GV-BigIP4000-1 notice tmm1[10288]: 01490502:5: 6131f22f: Session deleted due to user inactivity or errors. Oct 21 16:45:39 GV-BigIP4000-1 notice tmm1[10288]: 01490521:5: 6131f22f: Session statistics - bytes in: 10677, bytes out: 4980

Thanks