Hi anyone!!

I introduced the Collection extension on my company's wiki last year,
today I'm trying to export one book to PDF format but Im getting the
next error, that I believe It's because an image file but still can't
fix it. Please help me!

An error occured on the render server: RuntimeError: command failed
with returncode 256: ['mw-render', '-w', u'rl', '-c', u'/home/pp/cache/
67/67c0f2893941d134/collection.zip', '-o', u'/home/pp/cache/
67/67c0f2893941d134/output.rl', '--status', u'qserve://localhost:
14311/67c0f2893941d134:render-rl', '--template-blacklist',
u'MediaWiki:PDF Template Blacklist', '--template-exclusion-category',
u'Exclude in print', '--print-template-prefix', u'Print', '--print-
template-pattern', u'$1/Print', '--language', u'en'] Last Output: p?
oldid=7987' 1% laying out Gestión de cambios en Web editionTraceback
(most recent call last): File "/home/pp/local/lib/python2.7/site-
packages/mwlib/rl/rlwriter.py", line 1398, in writeImageLink ret =
self._fixBrokenImages(img_node, img_path) File "/home/pp/local/lib/
python2.7/site-packages/mwlib/rl/rlwriter.py", line 1321, in
_fixBrokenImages img = PilImage.open(img_path) File "/home/pp/local/
lib/python2.7/site-packages/PIL/Image.py", line 1980, in open raise
IOError("cannot identify image file") IOError: cannot identify image
file 2012-01-18T14:21:15 rlwriter.warning >> image skipped 0% error
Gestión de cambios en Web editionremoving '/tmp/tmpJzn9K_' Traceback
(most recent call last): File "/home/pp/local/bin/mw-render", line 9,
in <module> load_entry_point('mwlib==0.13.0', 'console_scripts', 'mw-
render')() File "/home/pp/local/lib/python2.7/site-packages/mwlib/apps/
render.py", line 211, in main return Main()() File "/home/pp/local/lib/
python2.7/site-packages/mwlib/apps/render.py", line 176, in __call__
writer(env, output=tmpout, status_callback=self.status,
**writer_options) File "/home/pp/local/lib/python2.7/site-packages/
mwlib/rl/rlwriter.py", line 2179, in writer r.writeBook(output=output,
coverimage=coverimage, status_callback=status_callback) File "/home/pp/
local/lib/python2.7/site-packages/mwlib/rl/rlwriter.py", line 478, in
writeBook art_elements = self.writeArticle(art) File "/home/pp/local/
lib/python2.7/site-packages/mwlib/rl/rlwriter.py", line 809, in
writeArticle elements.extend(self.renderMixed(article)) File "/home/pp/
local/lib/python2.7/site-packages/mwlib/rl/rlwriter.py", line 1088, in
renderMixed res = self.write(c) File "/home/pp/local/lib/python2.7/
site-packages/mwlib/rl/rlwriter.py", line 333, in write res = m(obj)
File "/home/pp/local/lib/python2.7/site-packages/mwlib/rl/
rlwriter.py", line 660, in writeSection
elements.extend(self.renderMixed(obj)) File "/home/pp/local/lib/
python2.7/site-packages/mwlib/rl/rlwriter.py", line 1088, in
renderMixed res = self.write(c) File "/home/pp/local/lib/python2.7/
site-packages/mwlib/rl/rlwriter.py", line 333, in write res = m(obj)
File "/home/pp/local/lib/python2.7/site-packages/mwlib/rl/
rlwriter.py", line 1114, in writeDefinitionList return
self.renderChildren(n) File "/home/pp/local/lib/python2.7/site-
packages/mwlib/rl/rlwriter.py", line 1104, in renderChildren
items.extend(self.write(c)) File "/home/pp/local/lib/python2.7/site-
packages/mwlib/rl/rlwriter.py", line 333, in write res = m(obj) File "/
home/pp/local/lib/python2.7/site-packages/mwlib/rl/rlwriter.py", line
1121, in writeDefinitionDescription return self.writeIndented(n) File
"/home/pp/local/lib/python2.7/site-packages/mwlib/rl/rlwriter.py",
line 1125, in writeIndented items = self.renderMixed(n,
para_style=text_style(indent_lvl=self.paraIndentLevel,
in_table=self.table_nesting)) File "/home/pp/local/lib/python2.7/site-
packages/mwlib/rl/rlwriter.py", line 1088, in renderMixed res =
self.write(c) File "/home/pp/local/lib/python2.7/site-packages/mwlib/
rl/rlwriter.py", line 333, in write res = m(obj) File "/home/pp/local/
lib/python2.7/site-packages/mwlib/rl/rlwriter.py", line 1738, in
writeSpan return self.renderInline(n) File "/home/pp/local/lib/
python2.7/site-packages/mwlib/rl/rlwriter.py", line 1031, in
renderInline res = self.write(child) File "/home/pp/local/lib/
python2.7/site-packages/mwlib/rl/rlwriter.py", line 333, in write res
= m(obj) File "/home/pp/local/lib/python2.7/site-packages/mwlib/rl/
rlwriter.py", line 1420, in writeImageLink w, h =
self.image_utils.getImageSize(img_node, img_path,
max_print_width=max_width, max_print_height=max_height) File "/home/pp/
local/lib/python2.7/site-packages/mwlib/writer/imageutils.py", line
39, in getImageSize img = Image.open(img_path) File "/home/pp/local/
lib/python2.7/site-packages/PIL/Image.py", line 1980, in open raise
IOError("cannot identify image file") IOError: cannot identify image
file in function system, file ./bin/nslave.py, line 63

Please help! It happens in 4 different articles, that share some
images with other articles which I was allowed to export.

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