[Qgis-developer] merge attributes

[Paolo Cavallini]

Hi all.
I have encountered an elusive problem: when digitizing, merging two
objects (attributes only or attributes and shape) does not allow me to
use the data from one of the objects. Concatenation, minimum, maximum
work always. This happens for some layer, not for others. The same layer
works well on another machine.
>From the console I have a long series of:
ERROR 1: Invalid index : -1
Any idea on how to further test and debug this?
Thanks.
-- 
Paolo Cavallini: http://www.faunalia.it/pc