Not sure why you are getting this specific error. Just try running it is Saga.
It's already installed with QGIS. Saga is easy to use.
Is this the first time you have installed QGIS or did you have a previous
Did you have a 32bit install before?
> Le 10 nov. 2016 à 06:14, Jill Campbell [via OSGeo.org]
> <ml-node+s1560n5295132...@n6.nabble.com> a écrit :
> Hi, I am a new starter on QGIS and would like some instructions to resolve a
> I am following a tutorial (QGIS for Archaeologists - a basic guide) and
> trying to 'de-trend' a LIDAR map.
> When I run the sequence:
> Processing: toolbox, geoalgorithms, filter tools, simple filter.... run
> I get an error message: 'Can't load requested DLL
> I am running QGIS 2.18 Las Palmas which I downloaded from the QGIS website
> about 3 weeks ago (64-bit version). When I look at my programme files I have
> the file and pathway 'apps\saga\dll\gdal_MrSID.dll'. I.e the required file
> seems to be there but not running for this procedure.
> Guidance would be appreciated.
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