Installing frappe...
Updating DocTypes for frappe        : [==                                      ]Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/opt/bench/erpnext/apps/frappe/frappe/utils/bench_helper.py", line 97, in <module>
    main()
  File "/opt/bench/erpnext/apps/frappe/frappe/utils/bench_helper.py", line 18, in main
    click.Group(commands=commands)(prog_name='bench')
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/opt/bench/erpnext/apps/frappe/frappe/commands/site.py", line 33, in new_site
    db_type = db_type)
  File "/opt/bench/erpnext/apps/frappe/frappe/commands/site.py", line 70, in _new_site
    _install_app(app, verbose=verbose, set_as_patched=not source_sql)
  File "/opt/bench/erpnext/apps/frappe/frappe/installer.py", line 84, in install_app
    sync_for(name, force=True, sync_everything=True, verbose=verbose, reset_permissions=True)
  File "/opt/bench/erpnext/apps/frappe/frappe/model/sync.py", line 56, in sync_for
    reset_permissions=reset_permissions, for_sync=True)
  File "/opt/bench/erpnext/apps/frappe/frappe/modules/import_file.py", line 66, in import_file_by_path
    ignore_version=ignore_version, reset_permissions=reset_permissions)
  File "/opt/bench/erpnext/apps/frappe/frappe/modules/import_file.py", line 141, in import_doc
    doc.insert()
  File "/opt/bench/erpnext/apps/frappe/frappe/model/document.py", line 258, in insert
    self.run_post_save_methods()
  File "/opt/bench/erpnext/apps/frappe/frappe/model/document.py", line 917, in run_post_save_methods
    self.run_method("on_update")
  File "/opt/bench/erpnext/apps/frappe/frappe/model/document.py", line 786, in run_method
    out = Document.hook(fn)(self, *args, **kwargs)
  File "/opt/bench/erpnext/apps/frappe/frappe/model/document.py", line 1055, in composer
    return composed(self, method, *args, **kwargs)
  File "/opt/bench/erpnext/apps/frappe/frappe/model/document.py", line 1038, in runner
    add_to_return_value(self, fn(self, *args, **kwargs))
  File "/opt/bench/erpnext/apps/frappe/frappe/model/document.py", line 780, in <lambda>
    fn = lambda self, *args, **kwargs: getattr(self, method)(*args, **kwargs)
  File "/opt/bench/erpnext/apps/frappe/frappe/core/doctype/doctype/doctype.py", line 279, in on_update
    self.run_module_method("on_doctype_update")
  File "/opt/bench/erpnext/apps/frappe/frappe/core/doctype/doctype/doctype.py", line 348, in run_module_method
    getattr(module, method)()
  File "/opt/bench/erpnext/apps/frappe/frappe/core/doctype/communication/communication.py", line 289, in on_doctype_update
    frappe.db.add_index("Communication Link", ["link_doctype", "link_name"])
  File "/opt/bench/erpnext/apps/frappe/frappe/database/mariadb/database.py", line 253, in add_index
    if not self.has_index(table_name, index_name):
  File "/opt/bench/erpnext/apps/frappe/frappe/database/mariadb/database.py", line 245, in has_index
    index_name=index_name
  File "/opt/bench/erpnext/apps/frappe/frappe/database/database.py", line 171, in sql
    self._cursor.execute(query)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/cursors.py", line 170, in execute
    result = self._query(query)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/cursors.py", line 328, in _query
    conn.query(q)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 517, in query
    self._affected_rows = self._read_query_result(unbuffered=unbuffered)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 732, in _read_query_result
    result.read()
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 1075, in read
    first_packet = self.connection._read_packet()
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/connections.py", line 684, in _read_packet
    packet.check_error()
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/protocol.py", line 220, in check_error
    err.raise_mysql_exception(self._data)
  File "/opt/bench/erpnext/env/local/lib/python2.7/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
    raise errorclass(errno, errval)
pymysql.err.ProgrammingError: (1146, u"Table '_1bd3e0294da19198.tabCommunication Link' doesn't exist")