Error: ASSERT: "!isEmpty()" in file C:\Qt\5.5\mingw492_32\include/QtCore/qlist.h, line 318

[ShrikantAmbade]

Hello,

What is this error means??? After this error my program crashed

[Artmetic]

Meybe you want get data from empty list. Check before size of list
if(listName.size() == 0)
return;

or
if(listName.isEmpty())
return;