When trying to run the old processing of the Solar_dhw_GUI example, the following error occurred:
C:\pytrnsys_versions\pytrnsys-gui-master-gui_3d40b5b-pytrnsys_6dbe3fb-2025-09-18T10_35_54+00_00\pytrnsys_gui_data\examples\solar_dhw_GUI
---------------------------------------------------------------------------
FileNotFoundError Traceback (most recent call last)
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\matplotlib\style\core.py:137, in use(style)
136 try:
--> 137 style = _rc_params_in_file(style)
138 except OSError as err:
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\matplotlib\__init__.py:879, in _rc_params_in_file(fname, transform, fail_on_error)
878 rc_temp = {}
--> 879 with _open_file_or_url(fname) as fd:
880 try:
File contextlib.py:137, in __enter__(self)
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\matplotlib\__init__.py:856, in _open_file_or_url(fname)
855 fname = os.path.expanduser(fname)
--> 856 with open(fname, encoding='utf-8') as f:
857 yield f
FileNotFoundError: [Errno 2] No such file or directory: 'C:\\pytrnsys_versions\\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\\site-packages\\pytrnsys\\plot\\.\\\\stylesheets\\word.mplstyle'
The above exception was the direct cause of the following exception:
OSError Traceback (most recent call last)
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_3d40b5b-pytrnsys_6dbe3fb-2025-09-18T10_35_54+00_00\pytrnsys_gui_data\examples\solar_dhw_GUI\process.py:17
15 tool = pParallelTrnsys.ProcessParallelTrnsys()
16 tool.readConfig(pathBase, configName)
---> 17 tool.process()
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\pytrnsys\psim\processParallelTrnsys.py:277, in ProcessParallelTrnsys.process(self)
275 else:
276 newPath = pathFolder
--> 277 processTrnsysDf = self._createProcessTrnsysDf(newPath, name)
279 self.logger.info("%s will be processed" % name)
280 processingCase = self._createProcessingCase(processTrnsysDf, pathFolder, name)
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\pytrnsys\psim\processParallelTrnsys.py:180, in ProcessParallelTrnsys._createProcessTrnsysDf(self, pathFolder, fileName)
179 def _createProcessTrnsysDf(self, pathFolder: str, fileName: str) -> processTrnsys.ProcessTrnsysDf:
--> 180 return processTrnsys.ProcessTrnsysDf(pathFolder, fileName, individualFile=self.individualFile)
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\pytrnsys\psim\processTrnsysDf.py:68, in ProcessTrnsysDf.__init__(self, _path, _name, language, individualFile)
65 self.rootPath = os.getcwd()
67 self.doc = latex.LatexReport(self.outputPath, self.fileName)
---> 68 self.plot = plot.PlotMatplotlib(language=language)
70 self.plot.setPath(self.outputPath)
72 self.pltB = pltB.PlotBokeh()
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\pytrnsys\plot\plotMatplotlib.py:39, in PlotMatplotlib.__init__(self, language, stylesheet, extensionPlot)
37 else:
38 self.stylesheet = os.path.join(self.root, r".\\stylesheets", stylesheet)
---> 39 plt.style.use(self.stylesheet)
40 self.extensionPlot = extensionPlot
41 self.yearlyFactor = 10
File C:\pytrnsys_versions\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\site-packages\matplotlib\style\core.py:139, in use(style)
137 style = _rc_params_in_file(style)
138 except OSError as err:
--> 139 raise OSError(
140 f"{style!r} is not a valid package style, path of style "
141 f"file, URL of style file, or library style name (library "
142 f"styles are listed in `style.available`)") from err
143 filtered = {}
144 for k in style: # don't trigger RcParams.__getitem__('backend')
OSError: 'C:\\pytrnsys_versions\\pytrnsys-gui-master-gui_ccb6bc7-pytrnsys_4a22341-2026-02-03T16_09_07+00_00\\site-packages\\pytrnsys\\plot\\.\\\\stylesheets\\word.mplstyle' is not a valid package style, path of style file, URL of style file, or library style name (library styles are listed in `style.available`)
The problem is, that this style sheet is not included in the release, nor is the stylesheets folder.
When trying to run the old processing of the Solar_dhw_GUI example, the following error occurred:
The problem is, that this style sheet is not included in the release, nor is the stylesheets folder.