<div>Hello all,</div><div><br></div><div>I will greatly appreciate the help for
the following:</div><div><br></div><div>I am getting the error "<span
class="Apple-style-span" style="font-weight: bold; ">RuntimeError: min()
argument is an empty array"<span class="Apple-style-span" style="font-weight:
normal; ">&nbsp;(more details error message given below) while running
phenix.refine.&nbsp;I am using&nbsp;PHENIX:&nbsp;&nbsp;Version: 1.3
on&nbsp;&nbsp;Platform: mac-intel-osx
osx-10.5.7</span></span></div><div><br></div><div>My error message is as
follows:&nbsp;</div><div><br></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">Traceback (most recent call last):</span></font></div><div><div><font
class="Apple-style-span" face="Courier"><span class="Apple-style-span"
style="font-size: x-small;">&nbsp;&nbsp;File
"/usr/local/phenix-1.3-final/phenix/phenix/command_line/refine.py", line 5, in
&lt;module&gt;</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp; &nbsp;command_line.run(command_name="phenix.refine",
args=sys.argv[1:])</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp;File
"/usr/local/phenix-1.3-final/phenix/phenix/refinement/command_line.py", line
68, in run</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp; &nbsp;log=log)</span></font></div><div><font
class="Apple-style-span" face="Courier"><span class="Apple-style-span"
style="font-size: x-small;">&nbsp;&nbsp;File
"/usr/local/phenix-1.3-final/phenix/phenix/refinement/command_line.py", line
231, in __init__</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp; &nbsp;reflection_file_server =
self.reflection_file_server()</span></font></div><div><font
class="Apple-style-span" face="Courier"><span class="Apple-style-span"
style="font-size: x-small;">&nbsp;&nbsp;File
"/usr/local/phenix-1.3-final/phenix/phenix/refinement/command_line.py", line
566, in reflection_file_server</span></font></div><div><font
class="Apple-style-span" face="Courier"><span class="Apple-style-span"
style="font-size: x-small;">&nbsp;&nbsp;
&nbsp;err=self.log)</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp;File
"/usr/local/phenix-1.3-final/iotbx/iotbx/reflection_file_utils.py", line 379,
in __init__</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp;
&nbsp;force_symmetry=self.force_symmetry))</span></font></div><div><font
class="Apple-style-span" face="Courier"><span class="Apple-style-span"
style="font-size: x-small;">&nbsp;&nbsp;File
"/usr/local/phenix-1.3-final/iotbx/iotbx/reflection_file_reader.py", line 197,
in as_miller_arrays</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp;
&nbsp;base_array_info=base_array_info)</span></font></div><div><font
class="Apple-style-span" face="Courier"><span class="Apple-style-span"
style="font-size: x-small;">&nbsp;&nbsp;File
"/usr/local/phenix-1.3-final/iotbx/iotbx/mtz/__init__.py", line 424, in
as_miller_arrays</span></font></div><div><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">&nbsp;&nbsp; &nbsp;and flex.min(column_group.sigmas()) &gt;
0):</span></font></div><div><b><font class="Apple-style-span"
face="Courier"><span class="Apple-style-span" style="font-size:
x-small;">RuntimeError: min() argument is an empty
array</span></font></b></div><div><br></div><div><br></div><div>Thanks in
advance,</div><div><br></div><div>Regards,</div><div><br></div><div>Ravi</div><div><br></div><br>Ravindra D. Makde, PhD<br>Postdoctoral fellow, Tan lab,<br>The Department of Biochemistry and Molecular Biology,<br>The Pennsylvania State University,<br>University Park, PA 16802<br>USA<br><br><br></div>