actionChain 'AttachmentZIPSelectChain' referenced in eventListener 'filePickerSelect2' is not define

Summary:

In VBCS, I am getting this error. How can i solve this.

Content (please ensure you mask any confidential information):

File: webApps/yardiglupload/flows/main/pages/main-start-page.json
Error: actionChain 'AttachmentZIPSelectChain' referenced in eventListener 'filePickerSelect2' is not defined.
Line: 101
Column: 22

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

  "filePickerSelect2": {      "chains": [        {          "chainId": "AttachmentZIPSelectChain",          "parameters": {            "files": "[[ Array.prototype.slice.call($event.detail.files) ]]"          }        }      ]    },