AJAX problems with contributions pay later and Redsys payment processors

I can't get work a webform with Ajax actived and payment methods Pay later and Redsys payment processor. I get this error:

CRM_Core_Exception: DB Constraint Violation - contact_id should possibly be marked as mandatory for Contribution,create API. If so, please raise a bug report. a civicrm_api3()

/modules/contrib/webform_civicrm/src/WebformCivicrmPostProcess.php(2103): Drupal\webform_civicrm\Utils->wf_civicrm_api('contribution', 'create', Array)