my script crashes client. why?

[fnurov]

set %corpse YFM
set %bag CKF
set %lastcont #contid
:loop
finditem %corpse G_2
set %foundcorpse #findid
set #LOBJECTID %foundcorpse
event macro 17
wait 15
finditem OZF  C_ , %foundcorpse
if #FINDCNT > 0
   {
   Exevent Drag #findid #findstack
   Exevent Dropc #backpackid
   }
ignoreItem %foundcorpse
if #weight > #maxweight
   {
   finditem %bag C_ , #backpackid
   if #FINDCNT > 0
      {
       set %foundbag #findid
       finditem OZF C_ , #backpackid
       if #FINDCNT > 0
          {
           set #LOBJECTID %foundbag
           event macro 17
           wait 10
           set #LTARGETID #findid
           event macro 22 0
          }
       }
   }
goto loop

[pstexano]

loop: instead of :loop?

and I suggest you to change

set #LOBJECTID %foundbag
event macro 17
wait 10
set #LTARGETID #findid
event macro 22 0

into

set #LOBJECTID %foundbag
event macro 17
target
set #LTARGETID #findid
event macro 22 0

so if you lag it will wait for the target