[Qgis-user] Stacking Landsat Bands

[Jonathan Moules]

Hi List,
I'm trying to stack 3 Landsat bands together. After several attempts with a couple of QGIS "merge" tools (which are actually mosaicers!), I discover this is called "image concatenation" in QGIS.

However, when I try and run the tool (QGIS 2.6) (Orfeo Imagebox -> Image Concatenation), I get this error:

Algorithm Images Concatenation starting...
unsupported operand type(s) for +: 'NoneType' and 'str' See log for more details

Can anyone advise? Is this a bug?

Are there other tools for this within QGIS?
Thanks,
Jonathan

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