Finally managed to install ERPN, but error after setup the site

Hi,

I finally managed to setup ERPN in my existing cloud server. During the setup process, it all went well, at the last step, after i insert the product price, it show this error:

Traceback (innermost last):
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/website/render.py", line 25, in render
    data = render_page_by_language(path)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/website/render.py", line 91, in render_page_by_language
    return render_page(path)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/website/render.py", line 107, in render_page
    return build(path)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/website/render.py", line 114, in build
    return build_page(path)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/website/render.py", line 127, in build_page
    context = get_context(path)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/website/context.py", line 16, in get_context
    context = build_context(context)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/website/context.py", line 54, in build_context
    ret = module.get_context(context)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/templates/pages/desk.py", line 24, in get_context
    csrf_token = frappe.sessions.get_csrf_token()
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/sessions.py", line 136, in get_csrf_token
    generate_csrf_token()
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/sessions.py", line 142, in generate_csrf_token
    frappe.local.session_obj.update(force=True)
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/sessions.py", line 323, in update
    self.data['sid']))
  File "/home/blackfriday/frappe-bench/apps/frappe/frappe/database.py", line 136, in sql
    self._cursor.execute(query, values)
  File "/home/blackfriday/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/cursors.py", line 205, in execute
    self.errorhandler(self, exc, value)
  File "/home/blackfriday/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
    raise errorclass, errorvalue
 OperationalError: (1213, 'Deadlock found when trying to get lock; try restarting transaction')

How to fix this?

@blackfriday never encountered this. Can you clear the deadlock manually and try again.

@rmehta, how to clear the deadlock?