Hi, after weeks of using odoo, my tpv show me this error.

Any help? I don't know how i can fix it.

Thanks

Error: QWeb2 - template['XmlReceipt']: Runtime Error: TypeError: dict.pos is undefined http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:2908 Rastreo de error: QWeb2.tools.exception@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:2908:7 anonymous@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js line 2950 > Function:210:8 ._render@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:2949:262 .render@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:2949:146 ReceiptScreenWidget<.print_xml@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:352:1145 ReceiptScreenWidget<.print@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:352:1424 ReceiptScreenWidget<.handle_auto_print@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:352:410 ReceiptScreenWidget<.show@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:352:325 OdooClass.extend/</prototype[name]</<@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:3010:556 Gui<.show_screen@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:293:28 PaymentScreenWidget<.finalize_validation@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:374:1059 PaymentScreenWidget<.validate_order@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:374:1178 .validate_order@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:411:1 OdooClass.extend/Class.include/</prototype[name]</<@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:3013:368 PaymentScreenWidget<.renderElement/<@http://tacte.thedigitalconsultant.es/web/content/374-c24cbd6/point_of_sale.assets.js:361:851 jQuery.event.dispatch@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:637:378 jQuery.event.add/elemData.handle@http://tacte.thedigitalconsultant.es/web/content/833-6c6050d/web.assets_common.js:610:151