I'm attempting to create an NDVI raster using a multiband image from a Parrot Sequoia. It's got only 4 bands instead of 5 so I'm using the following setup for creating the NDVI .tiff:
However, I get the following error message. This does not happen to me when I use the raster calculator for 5 band images like those produced by MicaSense RedEdge. I'm following the procedure written down here on MicaSense's website.
Invalid Layer: GDAL provider Cannot open GDAL dataset ndvi.tif: `ndvi.tif' does not exist in the file system, and is not recognized as a supported dataset name. Raster layer Provider is not valid (provider: gdal, URI: ndvi.tif