# Error on installation of version 5.0.0

**URL:** <https://discuss.tryton.org/t/error-on-installation-of-version-5-0-0/2322>\
**Category:** System Administrator\
**Created:** [February 11, 2020, 6:45pm UTC](https://discuss.tryton.org/t/error-on-installation-of-version-5-0-0/2322 "2020-02-11T18:45:25Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![nehuen87](https://discuss-cdn.tryton.org/letter_avatar_proxy/v4/letter/n/41988e/32.png) [@nehuen87](https://discuss.tryton.org/u/nehuen87)\
**Post date:** [February 11, 2020, 6:45pm UTC](https://discuss.tryton.org/t/error-on-installation-of-version-5-0-0/2322/1 "2020-02-11T18:45:25Z")

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Hi everybody, i have this error when id run the command  
trytond-admin -c /etc/tryton/trytond.conf -d tryton\_test --all

Traceback (most recent call last):  
File “/home/nenu/.local/bin/trytond-admin”, line 21, in   
admin.run(options)  
File “/usr/lib/python3/dist-packages/trytond/admin.py”, line 54, in run  
activatedeps=options.activatedeps)  
File “/usr/lib/python3/dist-packages/trytond/pool.py”, line 149, in init  
self.start()  
File “/usr/lib/python3/dist-packages/trytond/pool.py”, line 102, in start  
register\_classes()  
File “/usr/lib/python3/dist-packages/trytond/modules/ **init**.py”, line 318, in register\_classes  
import trytond.res  
File “/usr/lib/python3/dist-packages/trytond/res/ **init**.py”, line 8, in   
from . import routes  
File “/usr/lib/python3/dist-packages/trytond/res/routes.py”, line 10, in   
from trytond.wsgi import app  
File “/usr/lib/python3/dist-packages/trytond/wsgi.py”, line 13, in   
from werkzeug.wsgi import SharedDataMiddleware  
ImportError: cannot import name ‘SharedDataMiddleware’

need this version because the module i try to install not work in version 5.4 those are the modules

account\_ar --\>([GitHub - tryton-ar/account\_ar](http://github.com/tryton-ar/account_ar)):  
account\_coop\_ar --\>([GitHub - gcoop-libre/trytond-account\_coop\_ar: Trytond account plan for cooperatives of Argentina](http://github.com/gcoop-libre/account_coop_ar))

Thnx!!

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**Author:** ![ced](https://discuss-cdn.tryton.org/user_avatar/discuss.tryton.org/ced/32/1237_2.png) [@ced](https://discuss.tryton.org/u/ced)\
**Post date:** [February 11, 2020, 7:08pm UTC](https://discuss.tryton.org/t/error-on-installation-of-version-5-0-0/2322/2 "2020-02-11T19:08:26Z")

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This is related to [Trytond 5.0 compatibility with werkzeug 0.16 (#9042) · Issues · Tryton / Tryton · GitLab](http://bugs.tryton.org/issue9042)  
You must use a version of werkzeug prior to 1.0 when installing series 5.0.