i get this error while installing version13 on Ubuntu 20.10
Traceback (most recent call last):
File "/home/po/frappe-bench/apps/frappe/frappe/website/render.py", line 49, in render
data = render_page_by_language(path)
File "/home/po/frappe-bench/apps/frappe/frappe/website/render.py", line 178, in render_page_by_language
return render_page(path)
File "/home/po/frappe-bench/apps/frappe/frappe/website/render.py", line 194, in render_page
return build(path)
File "/home/po/frappe-bench/apps/frappe/frappe/website/render.py", line 201, in build
return build_page(path)
File "/home/po/frappe-bench/apps/frappe/frappe/website/render.py", line 224, in build_page
html = frappe.get_template(context.template).render(context)
File "/home/po/frappe-bench/env/lib/python3.8/site-packages/jinja2/environment.py", line 1090, in render
self.environment.handle_exception()
File "/home/po/frappe-bench/env/lib/python3.8/site-packages/jinja2/environment.py", line 832, in handle_exception
reraise(*rewrite_traceback_stack(source=source))
File "/home/po/frappe-bench/env/lib/python3.8/site-packages/jinja2/_compat.py", line 28, in reraise
raise value.with_traceback(tb)
File "/home/po/frappe-bench/apps/frappe/frappe/./www/login.html", line 62, in top-level template code
<h4>{{ _('Login to {0}').format(app_name or _("Frappe")) }}</h4>
File "/home/po/frappe-bench/apps/frappe/frappe/./templates/web.html", line 1, in top-level template code
{% extends base_template_path %}
File "/home/po/frappe-bench/apps/frappe/frappe/./templates/base.html", line 83, in top-level template code
{% block content %}
File "/home/po/frappe-bench/apps/frappe/frappe/./templates/web.html", line 72, in block "content"
{{ main_content() }}
File "/home/po/frappe-bench/env/lib/python3.8/site-packages/jinja2/sandbox.py", line 462, in call
return __context.call(__obj, *args, **kwargs)
File "/home/po/frappe-bench/env/lib/python3.8/site-packages/jinja2/runtime.py", line 679, in _invoke
rv = self._func(*arguments)
File "/home/po/frappe-bench/apps/frappe/frappe/./templates/web.html", line 15, in template
{% block page_container %}
File "/home/po/frappe-bench/apps/frappe/frappe/./templates/web.html", line 30, in block "page_container"
{%- block page_content -%}{%- endblock -%}
File "/home/po/frappe-bench/apps/frappe/frappe/./www/login.html", line 73, in block "page_content"
{{ _("You need to enable JavaScript for your app to work.") }}<br>{{ _("To enable it follow the instructions in the following link: {0}").format("<a href='https://enable-javascript.com/'>enable-javascript.com</a></p>") }}
File "/home/po/frappe-bench/env/lib/python3.8/site-packages/jinja2/sandbox.py", line 456, in call
return __self.format_string(fmt, args, kwargs, __obj)
File "/home/po/frappe-bench/env/lib/python3.8/site-packages/jinja2/sandbox.py", line 449, in format_string
rv = formatter.vformat(s, args, kwargs)
File "/usr/lib/python3.8/string.py", line 167, in vformat
result, _ = self._vformat(format_string, args, kwargs, used_args, 2)
File "/usr/lib/python3.8/string.py", line 176, in _vformat
for literal_text, field_name, format_spec, conversion in \
ValueError: expected '}' before end of string
any idea how to solve this error??