Error throw when click Plain Table button

[katopz]

From current example didn't touch anything

2013-08-14 22:04:02.487 FlatUIKitExample[548:c07] *** Assertion failure in -[UITableView _configureCellForDisplay:forIndexPath:], /SourceCache/UIKit_Sim/UIKit-2380.17/UITableView.m:5471
2013-08-14 22:04:02.490 FlatUIKitExample[548:c07] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UITableView dataSource must return a cell from tableView:cellForRowAtIndexPath:'
*** First throw call stack:
(0x13cf012 0x11f4e7e 0x13cee78 0xc8a665 0x1eec1b 0x18340c 0x1eea7b 0x1f3919 0x1f39cf 0x1dc1bb 0x1ecb4b 0x1892dd 0x12086b0 0x2da0fc0 0x2d9533c 0x2d95150 0x2d130bc 0x2d14227 0x2d148e2 0x1397afe 0x1397a3d 0x13757c2 0x1374f44 0x1374e1b 0x184b7e3 0x184b668 0x138ffc 0x1d4d 0x1c75)
libc++abi.dylib: terminate called throwing an exception

No one got this error? only me?

[danishmughal]

Getting the same error on iOS5 and iOS6. I get it when clicking both the plain table button as well as the grouped table.