Hi friends, I've got a problem, i'm not able to add a tool in ttol_conf.xml. Actually i can see one tool that i've added but when i put the second Galaxy doesn't take it into account : <section name="My_tools" id="mtools"> <tool file="mytools/tool_countGC.xml" /> <!--This is okay--> <tool file="mytools/rec_expression.xml" /> <!-- It's not working ! --> </section> My paster.log gives that : galaxy.tools ERROR 2012-03-08 16:07:57,849 error reading tool from path: mytools/rec_expression.xmlTraceback (most recent call last): File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 77, in load_tool tool = self.load_tool( os.path.join( self.tool_root_dir, path ) ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 169, in load_tool return ToolClass( config_file, root, self.app ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 340, in __init__ self.parse( root ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 446, in parse self.parse_inputs( root ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 528, in parse_inputs display, inputs = self.parse_input_page( page, enctypes ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 708, in parse_input_page inputs = self.parse_input_elem( input_elem, enctypes ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 801, in parse_input_elem param = self.parse_param_elem( elem, enctypes, context ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/__init__.py", line 813, in parse_param_elem param = ToolParameter.build( self, input_elem ) File "/home/pmontalent/galaxy_dev/lib/galaxy/tools/parameters/basic.py", line 159, in build raise ValueError( "Unknown tool parameter type '%s'" % param_type )ValueError: Unknown tool parameter type 'string' Have you got aany idea ?advance thanks,