[QGIS-Developer] Processing R scripts - TypeError: cannot concatenate 'str' and 'NoneType' objects

[Anita Graser]

Hi,

Any R script I try to run ends up with the following error (in ltr as well
as rel-dev). Is this a known issue or a problem with my system?

Uncaught error while executing algorithm

Traceback (most recent call last):

File
"C:/OSGEO4~1/apps/qgis-ltr/./python/plugins\processing\core\GeoAlgorithm.py",
line 203, in execute

self.processAlgorithm(progress)

File
"C:/OSGEO4~1/apps/qgis-ltr/./python/plugins\processing\algs\r\RAlgorithm.py",
line 308, in processAlgorithm

loglines += self.getFullSetOfRCommands()

File
"C:/OSGEO4~1/apps/qgis-ltr/./python/plugins\processing\algs\r\RAlgorithm.py",
line 363, in getFullSetOfRCommands

commands += self.getExportCommands()

File
"C:/OSGEO4~1/apps/qgis-ltr/./python/plugins\processing\algs\r\RAlgorithm.py",
line 404, in getExportCommands

commands.append('cat("##' + out.name + '",file="' + outputDataFile +
'",sep="\n",append=TRUE)')

TypeError: cannot concatenate 'str' and 'NoneType' objects


Thank you and best wishes,

Anita
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