AssertionError: HDF dataset not available. Check your clearsilver installation

[swapnil]

How to Reproduce

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

(please provide additional details here)

Request parameters:

{}

User agent: Mozilla/4#0 #SEB; MSIE 8#0; Windows NT 5#1; Trident/4#0; #NET CLR 2#0#50727; #NET CLR 3#0#4506#2152; #NET CLR 3#5#30729#

System Information

Trac	0#12#1
Genshi	0#6
pysqlite	2#5#5
Python	2#5#4 #r254:67916, Dec 23 2008, 15:10:54# #MSC v#1310 32 bit #Intel##
setuptools	0#6c11
SQLite	3#6#11
Subversion	1#6#6 #r40053#
jQuery	1#4#2

Enabled Plugins

googlecalendar

0#1#2

Python Traceback

Traceback #most recent call last#:
  File "build\bdist.win32\egg\trac\web\main.py", line 511, in _dispatch_request
    dispatcher.dispatch#req#
  File "build\bdist.win32\egg\trac\web\main.py", line 245, in dispatch
    req.display#template, content_type or 'text/html'#
  File "build\bdist.win32\egg\trac\web\api.py", line 388, in display
    'HDF dataset not available. Check your clearsilver installation'
AssertionError: HDF dataset not available. Check your clearsilver installation

[Christian Boos]

PluginIssue & InstallationIssue: you're using a Trac plugin, ​TH:GoogleCalendarPlugin, which mandates the use of ClearSilver and the latter package is not installed.