Changing the due date of an issue in an Agile board or loading a Kanban report throws Uncaught TypeError error in Jira server

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Platform Notice: Server and Data Center Only - This article only applies to Atlassian products on the server and data center platforms.


Symptoms

The following error is thrown on the Jira UI when trying to change the due date of an issue in an Agile board or loading a Kanban report (most common situation, but some other actions can cause this to be thrown as well) and while browsing Jira with Google Chrome


Exception: Uncaught TypeError: Cannot read property 'length' of null
Resource: http://localhost:8080/s/fc7a364b3887ea11363641fc5fb660e9-CDN/924hpw/807001/3d9cbcc0131deac702c8acb96d367f99/9b67750f861d082569f32f1a2540a56c/_/download/contextbatch/js/gh-rapid-report,jira.project.sidebar,atl.general,jira.global,jira.general,atl.global,com.atlassian.jira.projects.sidebar.init,greenhopper-rapid-non-gadget,-_super/batch.js?agile_global_admin_condition=true&jag=true&jaguser=true&locale=fr-FR&whisper-enabled=true
Line: 2451
Column: 29367
Environment
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36 Edg/84.0.522.58
Stack trace
TypeError: Cannot read property 'length' of null
at Date.print (http://localhost:8080/s/fc7a364b3887ea11363641fc5fb660e9-CDN/924hpw/807001/3d9cbcc0131deac702c8acb96d367f99/9b67750f861d082569f32f1a2540a56c/_/download/contextbatch/js/gh-rapid-report,jira.project.sidebar,atl.general,jira.global,jira.general,atl.global,com.atlassian.jira.projects.sidebar.init,greenhopper-rapid-non-gadget,-_super/batch.js?agile_global_admin_condition=true&jag=true&jaguser=true&locale=fr-FR&whisper-enabled=true:2451:29367\)

Cause

  • This can be caused by an invalid custom date format recently set in either or both Jira Look and Feel and Advanced Settings


Resolution


Description
Exception: Uncaught TypeError: Cannot read property 'length' of null
Product
Jira, Jira Data Center, Jira Service Management
Last modified on Nov 23, 2020

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