Traceback (most recent call last):
  File "/home/paolo/.qgis/python/plugins/wktraster/wktRaster.py", line
80, in callAddLayer
    if self.gdalVersion()  File
"/home/paolo/.qgis/python/plugins/wktraster/wktRaster.py", line 90, in
gdalVersion
    return int(gdal.VersionInfo())
RuntimeError: Can't find a WKT Raster column in  table