Open your /src/common/mmo.h
Find:
#define PACKETVER 20111116
Change it to:
#define PACKETVER YOURCLIENTDATE
For 2012-04-10:
#define PACKETVER 20120410
Then recompile!
Make sure to add this code to your /db/packet_db.txt
//2012-04-10aRagexeRE
0x01FD,15,repairitem,2
0x089C,26,friendslistadd,2
0x0885,5,hommenu,2:4
0x0961,36,storagepassword,0
0x0288,-1,cashshopbuy,4:8
0x091C,26,partyinvite2,2
0x094B,19,wanttoconnection,2:6:10:14:18
0x0369,7,actionrequest,2:6
0x083C,10,useskilltoid,2:4:6
0x0439,8,useitem,2:4
0x0945,-1,itemlistwindowselected,2:4:8
0x0815,-1,reqopenbuyingstore,2:4:8:9:89
0x0817,2,reqclosebuyingstore,0
0x0360,6,reqclickbuyingstore,2
0x0811,-1,reqtradebuyingstore,2:4:8:12
0x0819,-1,searchstoreinfo,2:4:5:9:13:14:15
0x0835,2,searchstoreinfonextpage,0
0x0838,12,searchstoreinfolistitemclick,2:6:10
0x0437,5,walktoxy,2
0x0886,6,ticksend,2
0x0871,5,changedir,2:4
0x0938,6,takeitem,2
0x0891,6,dropitem,2:4
0x086C,8,movetokafra,2:4
0x08A6,8,movefromkafra,2:4
0x0438,10,useskilltopos,2:4:6:8
0x0366,90,useskilltoposinfo,2:4:6:8:10
0x0889,6,getcharnamerequest,2
0x0884,6,solvecharname,2
0x08E5,41,bookingregreq,0 //Added to prevent disconnections
0x08E6,4
0x08E7,10,bookingsearchreq,0
0x08E8,-1
0x08E9,2,bookingdelreq,0
0x08EA,4
0x08EB,39,bookingupdatereq,0
0x08EC,73
0x08ED,43
0x08EE,6
0x0907,5,moveitem,2:4
0x0908,5