# Error while trying to import

**URL:** https://discuss.tryton.org/t/error-while-trying-to-import/4982
**Category:** User
**Tags:** party
**Created:** [February 1, 2022, 3:31pm UTC](https://discuss.tryton.org/t/error-while-trying-to-import/4982 "2022-02-01T15:31:52Z")
**Posts on this page:** 2
**Page:** 1

<div class="post-metadata">

### Author: ![Van](https://discuss-cdn.tryton.org/letter_avatar_proxy/v4/letter/v/13edae/32.png) [@Van](https://discuss.tryton.org/u/Van)
#### Post date: [February 1, 2022, 3:31pm UTC](https://discuss.tryton.org/t/error-while-trying-to-import/4982/1 "2022-02-01T15:31:52Z")

</div>

```auto
Traceback (most recent call last):
  File "/trytond/wsgi.py", line 79, in dispatch_request
    return endpoint(request, **request.view_args)
  File "/trytond/protocols/dispatcher.py", line 44, in rpc
    return methods.get(request.rpc_method, _dispatch)(
  File "/trytond/wsgi.py", line 50, in auth_required
    return wrapped(*args, **kwargs)
  File "/trytond/protocols/wrappers.py", line 122, in wrapper
    return func(request, pool, *args, **kwargs)
  File "/trytond/protocols/dispatcher.py", line 175, in _dispatch
    result = rpc.result(meth(*c_args, **c_kwargs))
  File "/trytond/model/modelstorage.py", line 827, in import_data
    assert all(len(x) == len_fields_names for x in data)
AssertionError

```

---

<div class="post-metadata">

### Author: ![ced](https://discuss-cdn.tryton.org/user_avatar/discuss.tryton.org/ced/32/1237_2.png) [@ced](https://discuss.tryton.org/u/ced)
#### Post date: [February 1, 2022, 5:12pm UTC](https://discuss.tryton.org/t/error-while-trying-to-import/4982/2 "2022-02-01T17:12:14Z")

</div>

It looks like the CSV file does not have for all lines the same number of columns.