Bench update/migrate error

I have restored v5 database to new v6 server.
I got this error on migrating site.
Please help

Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 162, 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 "/home/erpnext/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 79, in <module>
    main()
  File "/home/erpnext/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 16, in main
    click.Group(commands=commands)(prog_name='bench')
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 716, in __call__
    return self.main(*args, **kwargs)
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 696, in main
    rv = self.invoke(ctx)
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 1060, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 889, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py", line 534, in invoke
    return callback(*args, **kwargs)
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/erpnext/frappe-bench/apps/frappe/frappe/commands.py", line 29, in _func
    ret = f(frappe._dict(ctx.obj), *args, **kwargs)
  File "/home/erpnext/frappe-bench/apps/frappe/frappe/commands.py", line 213, in migrate
    frappe.modules.patch_handler.run_all()
  File "/home/erpnext/frappe-bench/apps/frappe/frappe/modules/patch_handler.py", line 25, in run_all
    if not run_single(patchmodule = patch):
  File "/home/erpnext/frappe-bench/apps/frappe/frappe/modules/patch_handler.py", line 52, in run_single
    return execute_patch(patchmodule, method, methodargs)
  File "/home/erpnext/frappe-bench/apps/frappe/frappe/modules/patch_handler.py", line 68, in execute_patch
    frappe.get_attr(patchmodule.split()[0] + ".execute")()
  File "/home/erpnext/frappe-bench/apps/erpnext/erpnext/patches/v4_2/repost_reserved_qty.py", line 28, in execute
    "reserved_qty": get_reserved_qty(item_code, warehouse)
  File "/home/erpnext/frappe-bench/apps/erpnext/erpnext/stock/stock_balance.py", line 109, in get_reserved_qty
    """, (item_code, warehouse, item_code, warehouse))
  File "/home/erpnext/frappe-bench/apps/frappe/frappe/database.py", line 135, in sql
    self._cursor.execute(query, values)
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/cursors.py", line 205, in execute
    self.errorhandler(self, exc, value)
  File "/home/erpnext/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
    raise errorclass, errorvalue
_mysql_exceptions.OperationalError: (1054, "Unknown column 'delivered_by_supplier' in 'where clause'")
erpnext@erpnext-VirtualBox:~/frappe-bench$ bench migrate

Thanks a version 4 patch.

Edit: You need to migrate 4-5 first and then 5-6

Thanks for the details