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No elevation data extracted

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asked Oct 9, 2018 by New user

Everything is fine until I extract elevations (RAS Geometry --> Elevations), then I get:

DataError('step size cannot equal zero\n',)

Process aborted!

I made sure CRS is the same for all layers, no intersecting xscutlines, DTM raster (ASTER GDEM tif) selected under Options. Don't know what else to try. Help would be appreciated.

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No elevation data extracted

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