[Eric] problem with debugger

[Luigi Curzi]

when i try to debug an application i receive this error:
The debugged program raised the exception unhandled OSError
"[Errno 11] Resource temporarily unavailable: '/home/luigi/progetti/BitSlaiser'"
File: /usr/lib/python2.5/site-packages/pkg_resources.py, Line: 1659

and eric highlights line 659 in pkg_resources.py:
else:
            # scan for .egg and .egg-info in directory
            for entry in os.listdir(path_item):


some informations:
Version Numbers:
   Python 2.5.2
   Qt 4.4.3
   PyQt4 4.4.2
   sip 4.7.6
   QScintilla 2.2
   eric4 4.3-snapshot-20090111 (r2802)

 Platform: linux2
 2.5.2 (r252:60911, Nov 14 2008, 19:46:32)
 [GCC 4.3.2]
 ----
 Plugins Version Numbers:
   PluginAbout 4.3.0
   PluginAssistantEric 1.2.0
   PluginCharTables 4.1.4
   PluginCxFreeze 4.2.0
   PluginEricapi 4.3.0
   PluginEricdoc 4.3.0
   PluginProjectDjango 2.0.3
   PluginProjectPylons 1.0.0-snapshot-20090109
   PluginProjectTurboGears 1.0.5
   PluginProjectWxPython 1.0.3
   PluginPyLint 4.1.3
   PluginRefactoringRope 1.1.4
   PluginSyntaxChecker 4.2.0
   PluginTabnanny 4.2.0
   PluginVcsCVS 4.1.10
   PluginVcsPySvn 4.3.0
   PluginVcsSubversion 4.3.0
   PluginVmListspace 4.2.0
   PluginVmMdiArea 1.0.0
   PluginVmTabview 4.3.0
   PluginVmWorkspace 4.2.0
   PluginWizardPyRegExp 4.2.0
   PluginWizardQColorDialog 4.2.0
   PluginWizardQFileDialog 4.2.0
   PluginWizardQFontDialog 4.2.0
   PluginWizardQInputDialog 4.2.0
   PluginWizardQMessageBox 4.2.0
   PluginWizardQRegExp 4.2.0

ciao
Luigi