TypeError on Bench Update

Install / Update
1

Hi all

When I try to do bench update I get the error message below. The error occurs during the bench migrate step. When I do bench migrate before the update, it works fine.

I’m on ERPNext v13.7.1 and have two custom apps installed.

Anyone an idea how to resolve this?

Thanks

Traceback (most recent call last):
  File "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main
    "__main__", mod_spec)
  File "/usr/lib/python3.6/runpy.py", line 85, in _run_code
    exec(code, run_globals)
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 104, in <module>
    main()
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 19, in main
    click.Group(commands=commands)(prog_name='bench')
  File "/home/ubuntu/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/ubuntu/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/ubuntu/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/ubuntu/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/ubuntu/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/ubuntu/frappe-bench/env/lib/python3.6/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/home/ubuntu/frappe-bench/env/lib/python3.6/site-packages/click/decorators.py", line 21, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/commands/__init__.py", line 27, in _func
    ret = f(frappe._dict(ctx.obj), *args, **kwargs)
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/commands/site.py", line 309, in migrate
    skip_search_index=skip_search_index
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/migrate.py", line 75, in migrate
    sync_fixtures()
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/utils/fixtures.py", line 24, in sync_fixtures
    import_doc(frappe.get_app_path(app, "fixtures", fname))
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/core/doctype/data_import/data_import.py", line 191, in import_doc
    reset_permissions=True
  File "/home/ubuntu/frappe-bench/apps/frappe/frappe/modules/import_file.py", line 112, in import_file_by_path
    get_datetime(doc.get("modified")) <= get_datetime(db_modified_timestamp)
TypeError: '<=' not supported between instances of 'NoneType' and 'datetime.datetime'
2

No one an idea how to solve the problem?

3

@unknownTH just follow the error to the doc that has a field called “modified” , find out why this field has no value and the solution will be clear

4

@bahaou thanks for your help. I could resolve the issue. The problem occurred because I had empty “modified” fields in my custom field fixtures.

5

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