ProgrammingError: 错误: 关系 "mpchangemain" 不存在LINE 1: SELECT id FROM MPChangeMain where ticket = 0 ^

[trac_admin]

How to Reproduce

While doing a GET operation on /newticket, Trac issued an internal error.

(please provide additional details here)

Request parameters:

{}

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 Safari/537.36

System Information

Trac	0.12
Babel	0.9.4
Genshi	0.6
mod_python	3.3.1
psycopg2	2.0.13
Pygments	1.3.1
Python	2.6.6 (r266:84292, Dec 7 2011, 20:48:22) [GCC 4.4.6 20110731 (Red Hat 4.4.6-3)]
pytz	2010h
setuptools	0.6
Subversion	1.6.11 (r934486)
jQuery	1.7.1

Enabled Plugins

AdminEnumListPlugin	1.0
BatchModify	0.8.0-trac0.12
BreadCrumbsNav	0.2
cc-selector	0.0.2
ContactInfo	0.0
EditFilePlugin	0.11.1.1
ExcelDownloadPlugin	0.12.0.4
IniAdmin	0.2
mpchange	0.2.5
nevernotifyupdaterplugin	0.0.9
SvnAuthzAdminPlugin	0.2
TimelineUserFilter	N/A
TracAccountManager	0.3.2
TracBookmark	0.1
TracExcelViewer	0.1
TracTicketChangesets	1.0dev-r96
TracTicketTemplate	0.7-r276
TracWysiwyg	0.12.0.5-r223
ZhTracGuideToc	N/A

Python Traceback

Traceback (most recent call last):
  File "/usr/lib/python2.6/site-packages/Trac-0.12-py2.6.egg/trac/web/main.py", line 513, in _dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.6/site-packages/Trac-0.12-py2.6.egg/trac/web/main.py", line 256, in dispatch
    content_type)
  File "/usr/lib/python2.6/site-packages/Trac-0.12-py2.6.egg/trac/web/chrome.py", line 816, in render_template
    stream |= self._filter_stream(req, method, filename, stream, data)
  File "/usr/lib/python2.6/site-packages/Genshi-0.6-py2.6.egg/genshi/core.py", line 132, in __or__
    return Stream(_ensure(function(self)), serializer=self.serializer)
  File "/usr/lib/python2.6/site-packages/Trac-0.12-py2.6.egg/trac/web/chrome.py", line 955, in inner
    data)
  File "/usr/lib/python2.6/site-packages/mpchange-0.2.5-py2.6.egg/mpchange/mp_field_controller.py", line 273, in filter_stream
    cid = self.mpmodel.get_cid_by_ticketID(data['ticket'].id or 0)
  File "/usr/lib/python2.6/site-packages/mpchange-0.2.5-py2.6.egg/mpchange/model.py", line 294, in get_cid_by_ticketID
    cursor.execute("SELECT id FROM MPChangeMain where ticket = %s " % ticketID)
  File "/usr/lib/python2.6/site-packages/Trac-0.12-py2.6.egg/trac/db/util.py", line 66, in execute
    return self.cursor.execute(sql)
ProgrammingError: 错误:  关系 "mpchangemain" 不存在
LINE 1: SELECT id FROM MPChangeMain where ticket = 0 
                       ^

[Jun Omae]

PluginIssue (mpchange).