How to solve this javascript error using for rails?

sales.self-5f61758eb705d1a4eb377eb5e01655849b8fbb5d55e63635610641b38550b3f4.js?body=1:75 Uncaught ReferenceError: item is not defined at Selectize.option (sales.self-5f61758eb705d1a4eb377eb5e01655849b8fbb5d55e63635610641b38550b3f4.js?body=1:75) at Selectize.render (selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:3211) at Selectize.refreshOptions (selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:2198) at Selectize.onKeyUp (selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:1686) at HTMLInputElement.keyup (selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:1322) at HTMLInputElement.dispatch (jquery.self-bd7ddd393353a8d2480a622e80342adf488fb6006d667e8b42e4c0073393abee.js?body=1:5227) at HTMLInputElement.elemData.handle (jquery.self-bd7ddd393353a8d2480a622e80342adf488fb6006d667e8b42e4c0073393abee.js?body=1:4879) option @ sales.self-5f61758eb705d1a4eb377eb5e01655849b8fbb5d55e63635610641b38550b3f4.js?body=1:75 render @ selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:3211 refreshOptions @ selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:2198 onKeyUp @ selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:1686 keyup @ selectize.self-7e677d328c56b076ab303c3a5685e4f11fab78c896c7c6be7c7159180f774040.js?body=1:1322 dispatch @ jquery.self-bd7ddd393353a8d2480a622e80342adf488fb6006d667e8b42e4c0073393abee.js?body=1:5227 elemData.handle @ jquery.self-bd7ddd393353a8d2480a622e80342adf488fb6006d667e8b42e4c0073393abee.js?body=1:4879