Internal Server Error- AttributeError

Hello,

I have this error when I try to “bench build” in mode production.
I try to launch “bench restart” but I have this error :

[2019-01-09 08:48:28 +0000] [23144] [ERROR] Error handling request /login
Traceback (most recent call last):
File “/opt/bench/erpnext/env/local/lib/python2.7/site-packages/gunicorn/workers/sync.py”, line 135, in handle
self.handle_request(listener, req, client, addr)
File “/opt/bench/erpnext/env/local/lib/python2.7/site-packages/gunicorn/workers/sync.py”, line 176, in handle_request
respiter = self.wsgi(environ, resp.start_response)
File “/opt/bench/erpnext/env/local/lib/python2.7/site-packages/werkzeug/local.py”, line 228, in application
return ClosingIterator(app(environ, start_response), self.cleanup)
File “/opt/bench/erpnext/env/local/lib/python2.7/site-packages/werkzeug/wrappers.py”, line 308, in application
resp = f(*args[:-2] + (request,))
File “/opt/bench/erpnext/apps/frappe/frappe/app.py”, line 81, in application
response = handle_exception(e)
File “/opt/bench/erpnext/apps/frappe/frappe/app.py”, line 188, in handle_exception
http_status_code=http_status_code)
File “/opt/bench/erpnext/apps/frappe/frappe/website/render.py”, line 75, in render
data = render_page(path)
File “/opt/bench/erpnext/apps/frappe/frappe/website/render.py”, line 158, in render_page
return build(path)
File “/opt/bench/erpnext/apps/frappe/frappe/website/render.py”, line 165, in build
return build_page(path)
File “/opt/bench/erpnext/apps/frappe/frappe/website/render.py”, line 181, in build_page
html = frappe.render_template(context.source, context)
File “/opt/bench/erpnext/apps/frappe/frappe/utils/jinja.py”, line 75, in render_template
return get_jenv().from_string(template).render(context)
File “/opt/bench/erpnext/env/local/lib/python2.7/site-packages/jinja2/environment.py”, line 1008, in render
return self.environment.handle_exception(exc_info, True)
File “/opt/bench/erpnext/env/local/lib/python2.7/site-packages/jinja2/environment.py”, line 780, in handle_exception
reraise(exc_type, exc_value, tb)
File “”, line 1, in top-level template code
File “/opt/bench/erpnext/apps/frappe/frappe/./templates/web.html”, line 6, in top-level template code
{%- if page_or_generator==“Generator” %}source-type=“Generator” data-doctype="{{ doctype }}"{% endif %}
File “/opt/bench/erpnext/apps/frappe/frappe/./templates/base.html”, line 17, in top-level template code
{%- block head -%}
File “/opt/bench/erpnext/apps/frappe/frappe/./templates/base.html”, line 23, in block “head”

File “/opt/bench/erpnext/apps/frappe/frappe/website/utils.py”, line 187, in abs_url
if path.startswith(‘http://’) or path.startswith(‘https://’):
AttributeError: ‘tuple’ object has no attribute 'startswith’

I search diffent solution in different Topic but all cmd of the community who try to resolve this problem doesn’t work with my error.

Help me,
Thx.

Perhaps this link will help