Hi,
I am getting following error during update 
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 “/home/amitsaxena/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 91, in
main()
File “/home/amitsaxena/frappe-bench/apps/frappe/frappe/utils/bench_helper.py”, line 17, in main
click.Group(commands=commands)(prog_name=‘bench’)
File “/home/amitsaxena/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 716, in call
return self.main(*args, **kwargs)
File “/home/amitsaxena/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 696, in main
rv = self.invoke(ctx)
File “/home/amitsaxena/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/amitsaxena/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/amitsaxena/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/amitsaxena/frappe-bench/env/local/lib/python2.7/site-packages/click/core.py”, line 534, in invoke
return callback(*args, **kwargs)
File “/home/amitsaxena/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/amitsaxena/frappe-bench/apps/frappe/frappe/commands/init.py”, line 24, in _func
ret = f(frappe._dict(ctx.obj), *args, **kwargs)
File “/home/amitsaxena/frappe-bench/apps/frappe/frappe/commands/site.py”, line 216, in migrate
migrate(context.verbose, rebuild_website=rebuild_website)
File “/home/amitsaxena/frappe-bench/apps/frappe/frappe/migrate.py”, line 31, in migrate
frappe.modules.patch_handler.run_all()
File “/home/amitsaxena/frappe-bench/apps/frappe/frappe/modules/patch_handler.py”, line 29, in run_all
if not run_single(patchmodule = patch):
File “/home/amitsaxena/frappe-bench/apps/frappe/frappe/modules/patch_handler.py”, line 63, in run_single
return execute_patch(patchmodule, method, methodargs)
File “/home/amitsaxena/frappe-bench/apps/frappe/frappe/modules/patch_handler.py”, line 83, in execute_patch
frappe.get_attr(patchmodule.split()[0] + “.execute”)()
File “/home/amitsaxena/frappe-bench/apps/erpnext/erpnext/patches/v8_1/set_delivery_date_in_so_item.py”, line 12, in execute
and order_type = ‘Sales’“”")
File “/home/amitsaxena/frappe-bench/apps/frappe/frappe/database.py”, line 165, in sql
self._cursor.execute(query)
File “/home/amitsaxena/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/cursors.py”, line 250, in execute
self.errorhandler(self, exc, value)
File “/home/amitsaxena/frappe-bench/env/local/lib/python2.7/site-packages/MySQLdb/connections.py”, line 50, in defaulterrorhandler
raise errorvalue
_mysql_exceptions.OperationalError: (1292, “Incorrect datetime value: ‘’”)
Kindly guide me how to correct the error.
-Amit