<div>Hi , I have run into an error using Grass 7.7 svn revision 73556; when I open g.gui and try to add a vector or raster map and display it, I encounter the following error:<br></div><div><br></div><div>Traceback (most recent call last):<br></div><div>  File<br></div><div>"/usr/local/<a href="http://grass-7.7.svn/gui/wxpython/core/gthread.py">grass-7.7.svn/gui/wxpython/core/gthread.py</a>",<br></div><div>line 121, in OnDone<br></div><div><br></div><div>event.ondone(event)<br></div><div>  File<br></div><div>"/usr/local/<a href="http://grass-7.7.svn/gui/wxpython/core/render.py">grass-7.7.svn/gui/wxpython/core/render.py</a>", line<br></div><div>468, in OnRenderDone<br></div><div><br></div><div>self.updateProgress.emit(layer=self.layer)<br></div><div>  File "/usr/local/<a href="http://grass-7.7.svn/etc/python/grass/pydispatch">grass-7.7.svn/etc/python/grass/pydispatch</a><br></div><div>/signal.py", line 229, in emit<br></div><div><br></div><div>dispatcher.send(signal=self, *args, **kwargs)<br></div><div>  File "/usr/local/<a href="http://grass-7.7.svn/etc/python/grass/pydispatch">grass-7.7.svn/etc/python/grass/pydispatch</a><br></div><div>/dispatcher.py", line 349, in send<br></div><div><br></div><div>**named<br></div><div>  File "/usr/local/<a href="http://grass-7.7.svn/etc/python/grass/pydispatch">grass-7.7.svn/etc/python/grass/pydispatch</a><br></div><div>/robustapply.py", line 60, in robustApply<br></div><div><br></div><div>return receiver(*arguments, **named)<br></div><div>  File<br></div><div>"/usr/local/<a href="http://grass-7.7.svn/gui/wxpython/core/render.py">grass-7.7.svn/gui/wxpython/core/render.py</a>", line<br></div><div>742, in ReportProgress<br></div><div><br></div><div>self.renderDone.emit()<br></div><div>  File "/usr/local/<a href="http://grass-7.7.svn/etc/python/grass/pydispatch">grass-7.7.svn/etc/python/grass/pydispatch</a><br></div><div>/signal.py", line 229, in emit<br></div><div><br></div><div>dispatcher.send(signal=self, *args, **kwargs)<br></div><div>  File "/usr/local/<a href="http://grass-7.7.svn/etc/python/grass/pydispatch">grass-7.7.svn/etc/python/grass/pydispatch</a><br></div><div>/dispatcher.py", line 349, in send<br></div><div><br></div><div>**named<br></div><div>  File "/usr/local/<a href="http://grass-7.7.svn/etc/python/grass/pydispatch">grass-7.7.svn/etc/python/grass/pydispatch</a><br></div><div>/robustapply.py", line 60, in robustApply<br></div><div><br></div><div>return receiver(*arguments, **named)<br></div><div>  File<br></div><div>"/usr/local/<a href="http://grass-7.7.svn/gui/wxpython/core/render.py">grass-7.7.svn/gui/wxpython/core/render.py</a>", line<br></div><div>649, in OnRenderDone<br></div><div><br></div><div>raise GException(_("Rendering failed: %s" % msg))<br></div><div>core.gcmd<br></div><div>.<br></div><div>GException<br></div><div>:<br></div><div>Rendering failed: Overlays multiple PPM image files.<br></div><div>Usage:<br></div><div>g.pnmcomp input=name[,name,...] [mask=name[,name,...]]<br></div><div>[opacity=value[,value,...]] output=name [output_mask=name]<br></div><div>width=value<br></div><div>height=value [bgcolor=name] [--overwrite] [--help]<br></div><div>[--verbose]<br></div><div>[--quiet] [--ui]<br></div><div>Flags:<br></div><div>Parameters:<br></div><div>input   Name of input file(s)<br></div><div>mask   Name of input mask file(s)<br></div><div>opacity   Layer opacities<br></div><div>output   Name for output file<br></div><div>output_mask   Name for output mask file<br></div><div>width   Image width<br></div><div>height   Image height<br></div><div>bgcolor   Background color<br></div><div>ERROR: g.pnmcomp: Sorry, <-> is not a valid flag<br></div><div>ERROR: g.pnmcomp: Sorry, <o> is not a valid flag<br></div><div><br></div><div>I am using the following software:<br></div><div><br></div><div>GRASS version: 7.7.svn                                                         <br></div><div>GRASS SVN revision: r73556                                                     <br></div><div>Build date: 2018-10-16                                                         <br></div><div>Build platform: x86_64-pc-linux-gnu                                            <br></div><div>GDAL: 2.3.2                                                                    <br></div><div>PROJ.4: 5.2.0                                                                  <br></div><div>GEOS: 3.7.0                                                                    <br></div><div>SQLite: 3.22.0                                                                 <br></div><div>Python: 2.7.15rc1                                                              <br></div><div>wxPython: 3.0.2.0                                                              <br></div><div>Platform: Linux-4.15.0-36-generic-x86_64-with-LinuxMint-19-tara<br></div><div><br></div><div>There were no errors during compliation or make. Any help appreciated,</div><div><br></div><div><b><span style="font-size:12px" class="size">~ Eric</span></b><br></div><div class="protonmail_signature_block"><div class="protonmail_signature_block-proton protonmail_signature_block-empty"><br></div></div><div><br></div>