Dear All<br><br>Greetings<br><br>I was searching for a ligand present in the active site of my protein using Ligand  Search in  &quot;PHENIX&quot;<br><br>but i stuck in between with an error :<br><br><br>A
Python error was detected.  This may be a problem with the program
settings, an error in your data, or a bug; click &quot;OK&quot; to send a bug
report to the PHENIX developers.<br>
<br><br>AttributeError : ligand_identification instance has no attribute &#39;connections&#39;<br>Traceback:<br>  File &quot;/home/programs/linux/phenix-<div id=":47" class="ii gt">1.6.1-357/cctbx_project/libtbx/thread_utils.py&quot;, line 137, in run<br>

    return_value = self._target(self._args, self._kwargs, self._c)<br><br>  File &quot;/home/programs/linux/phenix-1.6.1-357/cctbx_project/libtbx/runtime_utils.py&quot;, line 55, in __call__<br>    result = self.target()<br>

<br>  File &quot;/home/programs/linux/phenix-1.6.1-357/phenix/phenix/command_line/ligand_identification.py&quot;, line 1769, in __call__<br>    identify_ligands = ligand_identification(args=list(self.args), quiet=False)<br>

<br>  File &quot;/home/programs/linux/phenix-1.6.1-357/phenix/phenix/command_line/ligand_identification.py&quot;, line 308, in __init__<br>    ligand_identification.Run(self, params)<br><br>  File &quot;/home/programs/linux/phenix-1.6.1-357/phenix/phenix/command_line/ligand_identification.py&quot;, line 1454, in Run<br>

    return self.connections[&#39;STOP &#39;]<br><br clear="all"><br>I am not able to identify the problem?<br><br>Please let me know if some one can identify the problem, i don&#39;t know whether it is a bug or problem in my files. <br>

<br>Thanks for your suggestions in advance.<br><br>Rajan  <br></div><br clear="all"><br>-- <br>************************************************<br>Current Address:<br><br>Rajan Vyas<br>Research Scholar<br>Deptt. of Biotechnology<br>
Panjab University Chandigarh, India<br>160014    Mob. +919417374197<br>Fax: +91-172-2625254<br>************************************************<br>