# Console error Litium back office **URL:** \ **Category:** Questions\ **Tags:** litium-7\ **Created:** [February 13, 2020, 1:22pm UTC](https://forum.litium.com/t/console-error-litium-back-office/1331 "2020-02-13T13:22:38Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Simon.Halling](https://avatars.discourse-cdn.com/v4/letter/s/7c8e57/32.png) [@Simon.Halling](https://forum.litium.com/u/Simon.Halling)\ **Post date:** [February 13, 2020, 1:22pm UTC](https://forum.litium.com/t/console-error-litium-back-office/1331/1 "2020-02-13T13:22:38Z")
Hi! Getting console error in Litium back office (ex. when enter a product or edit a field). Does anyone know how to fix it? See stacktrace below: ``` vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:515 ERROR Error: Uncaught (in promise): TypeError: Cannot read property 'call' of undefined TypeError: Cannot read property 'call' of undefined at __webpack_require__ (manifest.js?v=A98408774B38038F9E1555D728BF8229436003C116208C9D097D8A2F6E55A4D4:1) at Module../Accelerator/extensions.ts (field-editor-filter-fields.component.ts:13) at __webpack_require__ (manifest.js?v=A98408774B38038F9E1555D728BF8229436003C116208C9D097D8A2F6E55A4D4:1) at main.js?v=C77060C88ECC855BCB30F831A139E3F80A05D4825D6834C8F2DA0758D8E14615:1 at ZoneDelegate.invoke (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Object.onInvoke (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:1274) at ZoneDelegate.invoke (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Zone.run (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2567 at ZoneDelegate.invokeTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Object.onInvokeTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:1274) at ZoneDelegate.invokeTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Zone.runTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at drainMicroTaskQueue (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at resolvePromise (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2567) at vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2567 at rejected (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2552) at ZoneDelegate.invoke (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Object.onInvoke (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:1274) at ZoneDelegate.invoke (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Zone.run (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2567 at ZoneDelegate.invokeTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Object.onInvokeTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:1274) at ZoneDelegate.invokeTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at Zone.runTask (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) at drainMicroTaskQueue (vendor.js?v=0B8D3CB92B29BD7349DCED55D9D5E53BA03C9E9704D95419513B8B70EAC328E9:2559) ``` Litium version: 7.4.0 Best regards, Simon ---
**Author:** ![ton.nguyen](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.litium.com/ton.nguyen/32/989_2.png) [@ton.nguyen](https://forum.litium.com/u/ton.nguyen)\ **Post date:** [February 13, 2020, 1:29pm UTC](https://forum.litium.com/t/console-error-litium-back-office/1331/2 "2020-02-13T13:29:44Z")
Did you upgrade from previous 7 version, or did you start with a clean 7.4? ---
**Author:** ![Simon.Halling](https://avatars.discourse-cdn.com/v4/letter/s/7c8e57/32.png) [@Simon.Halling](https://forum.litium.com/u/Simon.Halling)\ **Post date:** [February 13, 2020, 2:29pm UTC](https://forum.litium.com/t/console-error-litium-back-office/1331/3 "2020-02-13T14:29:31Z")
Yeah, from version 7.3.1 ---
**Author:** ![ton.nguyen](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.litium.com/ton.nguyen/32/989_2.png) [@ton.nguyen](https://forum.litium.com/u/ton.nguyen)\ **Post date:** [February 13, 2020, 8:29pm UTC](https://forum.litium.com/t/console-error-litium-back-office/1331/4 "2020-02-13T20:29:02Z")
Please apply this upgrade guideline, there is a specific section for upgrading custom field type project to 7.4: [https://docs.litium.com/documentation/upgrading-to-litium-7](https://docs.litium.com/documentation/upgrading-to-litium-7) ---
**Author:** ![Simon.Halling](https://avatars.discourse-cdn.com/v4/letter/s/7c8e57/32.png) [@Simon.Halling](https://forum.litium.com/u/Simon.Halling)\ **Post date:** [February 21, 2020, 7:53am UTC](https://forum.litium.com/t/console-error-litium-back-office/1331/5 "2020-02-21T07:53:48Z")
Thanks! Cleared node\_modules in Fieldtypes and Mvc project and reinstalled them. Solved my problem. ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex030/uploads/litium/original/1X/12eddac3b8b661de1db86af10ac8151b571e6fb9.png) [@system](https://forum.litium.com/u/system)\ **Post date:** [March 20, 2020, 7:53am UTC](https://forum.litium.com/t/console-error-litium-back-office/1331/6 "2020-03-20T07:53:49Z")
Closed on March 20, 2020, 7:53am UTC This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.