The following applies to a 2012 Windows build, but...
Go to File-Preferences, Programs tab, tick Use alternative Enblend
program and specify the path to a multiblend executable. If that doesn't
work, you could just replace the enblend executable, though that's not a
neat solution.
Thanks for the tip on using the newer version of enblend. I have not
stitched enough since switching to say if it has solved the problem or not,
but I have not seen it yet so I am hopeful.
Another possibility is that neighbouring images overlap so much that,
despite A being largely to the
I had a similar problem crop up while I was developing multiblend, though
that had a slightly different cause. My guess at what may have happened is
that, given three images in horizontal order, A B C, enblend has blended
the small overlap between A and C before considering B. When it does come
I read the bug report, and admittedly I've never tried to change image
order as one on the posters suggests.
I often get this kind of artifact in Hugin. For me it seems to occur when
there is too much overlap between adjacent photos or when making is
involved. I find if I have too much