[17.0] Accounting: cannot validate or set to check transaction (reconciliation error)

[creatoro]

Odoo Version

• 15.0
• 16.0
• 17.0
• Other (specify)

Steps to Reproduce

I'm running the enterprise version.

• Go to Accounting dashboard
• Choose a bank account
• Try to Validate a transaction or set it To Check
• Error is thrown

Log Output

RPC_ERROR
Odoo Server Error
Traceback (most recent call last):
  File "/home/odoo/src/odoo/odoo/http.py", line 1770, in _serve_db
    return service_model.retrying(self._serve_ir_http, self.env)
  File "/home/odoo/src/odoo/odoo/service/model.py", line 133, in retrying
    result = func()
  File "/home/odoo/src/odoo/odoo/http.py", line 1797, in _serve_ir_http
    response = self.dispatcher.dispatch(rule.endpoint, args)
  File "/home/odoo/src/odoo/odoo/http.py", line 2001, in dispatch
    result = self.request.registry['ir.http']._dispatch(endpoint)
  File "/home/odoo/src/odoo/addons/website/models/ir_http.py", line 235, in _dispatch
    response = super()._dispatch(endpoint)
  File "/home/odoo/src/odoo/odoo/addons/base/models/ir_http.py", line 222, in _dispatch
    result = endpoint(**request.params)
  File "/home/odoo/src/odoo/odoo/http.py", line 725, in route_wrapper
    result = endpoint(self, *args, **params_ok)
  File "/home/odoo/src/odoo/addons/web/controllers/dataset.py", line 24, in call_kw
    return self._call_kw(model, method, args, kwargs)
  File "/home/odoo/src/odoo/addons/web/controllers/dataset.py", line 20, in _call_kw
    return call_kw(request.env[model], method, args, kwargs)
  File "/home/odoo/src/odoo/odoo/api.py", line 468, in call_kw
    result = _call_kw_multi(method, model, args, kwargs)
  File "/home/odoo/src/odoo/odoo/api.py", line 453, in _call_kw_multi
    result = method(recs, *args, **kwargs)
  File "/home/odoo/src/odoo/addons/web/models/models.py", line 1063, in onchange
    record._apply_onchange_methods(field_name, result)
  File "/home/odoo/src/odoo/odoo/models.py", line 6903, in _apply_onchange_methods
    res = method(self)
  File "/home/odoo/src/enterprise/account_accountant/models/bank_rec_widget.py", line 314, in _onchange_todo_command
    getattr(self, f'_js_action_{method_name}')(*todo_command.get('args', []), **todo_command.get('kwargs', {}))
  File "/home/odoo/src/enterprise/account_accountant_batch_payment/models/bank_rec_widget.py", line 182, in _js_action_validate
    super()._js_action_validate()
  File "/home/odoo/src/enterprise/account_accountant/models/bank_rec_widget.py", line 1374, in _js_action_validate
    self._action_validate()
  File "/home/odoo/src/enterprise/account_online_synchronization/models/bank_rec_widget.py", line 9, in _action_validate
    super()._action_validate()
  File "/home/odoo/src/enterprise/account_accountant/models/bank_rec_widget.py", line 1315, in _action_validate
    lines = [
  File "/home/odoo/src/enterprise/account_accountant/models/bank_rec_widget.py", line 1316, in <listcomp>
    (sequence2lines[index], counterpart_aml)
KeyError: 1

The above server error caused the following client error:
RPC_ERROR: Odoo Server Error
    at makeErrorFromResponse (https://xxx.dev.odoo.com/web/assets/01cae53/web.assets_web.min.js:2870:163)
    at XMLHttpRequest.<anonymous> (https://xxx.dev.odoo.com/web/assets/01cae53/web.assets_web.min.js:2874:13)

Support Ticket

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