Issue Summary

When accessing Jira for the first time on the browser, an error similar to the below might appear on the browser console:

TypeError: e is null
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
Dashboard.jspa:93:823
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93

This error looks harmless and Jira works as expected.
Subsequent requests to the same instance may not throw the error again.

Steps to Reproduce

1. Install a vanilla instance of Jira.
   • This was validated on Jira 9.4 and on 9.11.
   • The issue didn't occur on 8.20.
2. Open an incognito window on the browser and open the developer tools on the console.
3. Access Jira's Base URL on the incognito window and follow the messages on the console.

Expected Results

No error is thrown on the browser console.

Actual Results

The page loads, but an error similar to the below is thrown on the console:

TypeError: e is null
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
Dashboard.jspa:93:823
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93
    <anonymous> Jira-Base-URL/secure/Dashboard.jspa:93

There could be a variation of it as below:

TypeError: Cannot read properties of null (reading 'headerDimensions')

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available.

Additional notes
While no error is expected, this looks harmless and the page loads properly.