Bug: Deleting the current group by property generate a javascript error · mattermost-community/focalboard#3551

2022-08-04T08:50:30.000Z

## Steps to reproduce the behavior 1. Go to a board with a kanban board 2. Go to the kanban board 3. Open a card 4. Remove the current group by property in the card (needs to be the last select property available) 5. It fails and redirects you to the error page ## Expected behavior Delete it without a problem (And show that there is no property for orther this, see #3550 ## Edition and Platform - Edition: Mattermost Boards (plugin) - Version: 7.2 - Browser and OS: Firefox on Linux

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説明

Steps to reproduce the behavior

Go to a board with a kanban board
Go to the kanban board
Open a card
Remove the current group by property in the card (needs to be the last select property available)
It fails and redirects you to the error page

Expected behavior

Delete it without a problem (And show that there is no property for orther this, see #3550

Edition and Platform

Edition: Mattermost Boards (plugin)
Version: 7.2
Browser and OS: Firefox on Linux

コントリビューターガイド

技術スタック: typescriptreact
領域: frontend
Issue 種別: bug
難度: 3
推定時間: 1-3 hours
活動状況: fresh
明確さ: clear
前提条件: Basic React and TypeScriptFamiliarity with kanban board logic
初心者向け度: 60
調査方針: Investigate the kanban board component where group by property deletion occurs. Focus on the card property removal logic, likely in the board store or a reducer. The error surfaces when removing the last select property; check for undefined state or missing fallback. Reproduce steps: open a card, remove the current group by property, then observe the error. Review comments or linked issue #3550 for context.