id summary reporter owner description type status priority milestone component version severity resolution keywords cc branch changelog apichanges internalchanges 11280 """ValueError: incomplete format key"" occurs repeatedly" anonymous """Value Error"" occurs when I set ""%("" in configuration value of Administration. (e.g. Administration - General - Basic Settings - Description) And Once ""Value Error"" occured, same error occurs on most of pages until I restart Trac process. System Information || Trac || 1.0 || || Python || 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] || Babel || 0.9.6 || || Docutils || 0.7 || || Genshi || 0.6 || || mod_wsgi || 3.4 || || Pygments || 1.4 || || pysqlite || 2.6.0 || || setuptools || 0.6c11 || || SQLite || 3.6.21 || || Subversion || 1.7.7 || || jQuery || 1.7.2 || OS: Windows Server 2003 x86 SP2 Python Traceback {{{ Traceback (most recent call last): File ""C:\python\lib\site-packages\trac-1.0-py2.7.egg\trac\web\api.py"", line 504, in send_error data, 'text/html') File ""C:\python\lib\site-packages\trac-1.0-py2.7.egg\trac\web\chrome.py"", line 961, in render_template data = self.populate_data(req, data) File ""C:\python\lib\site-packages\trac-1.0-py2.7.egg\trac\web\chrome.py"", line 817, in populate_data 'descr': self.env.project_description, File ""C:\python\lib\site-packages\trac-1.0-py2.7.egg\trac\config.py"", line 661, in __get__ value = self.accessor(section, self.name, self.default) File ""C:\python\lib\site-packages\trac-1.0-py2.7.egg\trac\config.py"", line 400, in get value = self.config.parser.get(name_str,key_str) File ""C:\python\lib\ConfigParser.py"", line 623, in get return self._interpolate(section, option, value, d) File ""C:\python\lib\ConfigParser.py"", line 666, in _interpolate value = value % vars ValueError: incomplete format key }}}" defect new normal next-stable-1.6.x general 1.0 normal config