Exception Error 0xC0000005. Access violation

[philipq]

Dear QM Friends,

I am getting the the below error message pointing to below shown code:
Kindly advise how to go about it.

Code:
;Click Customer button
int w5=win("Vehicle Administration - Display mode " "KCMLMasterForm_32")
Acc a6.Find(w5 "PUSHBUTTON" "Customer" "class=KCMLButton_32[]id=26938" 0x1005)
a6.Mouse(1)

Error:

Error (RT) in gDN Data: Exception 0xC0000005. Access violation. Cannot read memory at 0x5. In qm.exe at 0x4B8714 (0x400000+0xB8714). ?
Exception in destructors of local variables of gDN Data.