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[Yu Tomori]

I have this issue now.

It may be related to the incident occured yesterday.

My developer tool's console shows the log below.

DevTools failed to load source map: Could not load content for https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/5afb61b052c80124cebeda7092403a6b/_/download/contextbatch/js/jira.heritage.critical/index-v2-min.js.map: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE
bootstrap-application.ts:23 Uncaught ReferenceError: regeneratorRuntime is not defined
at bootstrap-application.ts:23:17
at Module.<anonymous> (bootstrap-application.ts:23:17)
at r (bootstrap:63:22)
at Object.<anonymous> (automationManagerBootstrap.pack.js:1:12238)
at r (bootstrap:63:22)
at bootstrap:198:10
at automationManagerBootstrap.pack.js:1:2424
(anonymous) @ bootstrap-application.ts:23
(anonymous) @ bootstrap-application.ts:23
r @ bootstrap:63
(anonymous) @ automationManagerBootstrap.pack.js:1
r @ bootstrap:63
(anonymous) @ bootstrap:198
(anonymous) @ automationManagerBootstrap.pack.js:1
DevTools failed to load source map: Could not load content for https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/1465f1e3347d7e48c8ac28337ce55631/_/download/contextbatch/css/jira.webresources:skate,jira.webresources:dialogs,jira.webresources:jira-global,jira.webresources:util-lite,jira.webresources:util,jira.webresources:feature-flags,com.atlassian.auiplugin:aui-spinner,com.atlassian.jira.jira-atlaskit-plugin:sidebar,-jira.heritage.critical/adg3-sidebar-layout-over...: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE
react_devtools_backend.js:4026 DEPRECATED JS - Cookie has been deprecated since 5.8.0 and will be removed in a future release. Use cookie instead.
at b.default (https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/e97790deb32cbf8ab2822433610c2c21/_/download/contextbatch/js/jira.webresources:skate,jira.webresources:dialogs,jira.webresources:jira-global,jira.webresources:util-lite,jira.webresources:util,jira.webresources:feature-flags,com.atlassian.auiplugin:aui-spinner,com.atlassian.jira.jira-atlaskit-plugin:sidebar,-jira.heritage.critical/batch.js?locale=en-US:48:...)
overrideMethod @ react_devtools_backend.js:4026
k @ batch.js?locale=en-US:51
(anonymous) @ batch.js?locale=en-US:52
get @ batch.js?locale=en-US:54
b.default @ batch.js?locale=en-US:48
(anonymous) @ batch.js?locale=en-US:3495
(anonymous) @ batch.js?locale=en-US:3495
react_devtools_backend.js:4026 DEPRECATED JS - Dropdown constructor has been deprecated and will be removed in a future release. Use Dropdown2 instead.
at HTMLDocument.<anonymous> (https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/e97790deb32cbf8ab2822433610c2c21/_/download/contextbatch/js/jira.webresources:skate,jira.webresources:dialogs,jira.webresources:jira-global,jira.webresources:util-lite,jira.webresources:util,jira.webresources:feature-flags,com.atlassian.auiplugin:aui-spinner,com.atlassian.jira.jira-atlaskit-plugin:sidebar,-jira.heritage.critical/batch.js?locale=en-US:422...)
overrideMethod @ react_devtools_backend.js:4026
k @ batch.js?locale=en-US:51
(anonymous) @ batch.js?locale=en-US:52
(anonymous) @ batch.js?locale=en-US:53
i.bindConfigDashboardDds @ batch.js?locale=en-US:4222
(anonymous) @ batch.js?locale=en-US:4225
d @ batch.js:27
add @ batch.js:27
ready @ batch.js:27
init @ batch.js:27
s @ batch.js:27
(anonymous) @ batch.js?locale=en-US:4225
l @ batch.js:6
(anonymous) @ batch.js:6
o @ commons.1603d0e75ecfd8e218fb.8.js:685
setTimeout (async)
(anonymous) @ commons.1603d0e75ecfd8e218fb.8.js:73
s @ batch.js:6
window.require @ batch.js:9
(anonymous) @ batch.js?locale=en-US:4225
DevTools failed to load source map: Could not load content for https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/e97790deb32cbf8ab2822433610c2c21/_/download/contextbatch/js/jira.webresources:skate,jira.webresources:dialogs,jira.webresources:jira-global,jira.webresources:util-lite,jira.webresources:util,jira.webresources:feature-flags,com.atlassian.auiplugin:aui-spinner,com.atlassian.jira.jira-atlaskit-plugin:sidebar,-jira.heritage.critical/LegacyIssue-min.js.map: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE
DevTools failed to load source map: Could not load content for https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/4c8ae5d9d575edc8c18ae4ac8a36b9e6/_/download/contextbatch/js/com.atlassian.jira.jira-quick-edit-plugin:quick-create-issue,jira.create.issue,jira.webresources:calendar-en,com.atlassian.jira.plugins.jira-dnd-attachment-plugin:shared-utility,com.pyxis.greenhopper.jira:gh-issue-type-whitelist,com.atlassian.jira.plugins.jira-wiki-editor:wiki-editor-resources-i...: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE
react_devtools_backend.js:4026 AJS's create element functionality has been deprecated since 5.9.0.
No alternative will be provided.
Use document.createElement() or jQuery.parseHTML(), or preferably use a templating library.
overrideMethod @ react_devtools_backend.js:4026
a.default @ batch.js?locale=en-US:40
d @ batch.js:27
add @ batch.js:27
ready @ batch.js:27
init @ batch.js:27
s @ batch.js:27
h @ batch.js?jag=true&locale=en-US:436
(anonymous) @ batch.js?jag=true&locale=en-US:436
l @ batch.js:6
(anonymous) @ batch.js:6
o @ commons.1603d0e75ecfd8e218fb.8.js:685
setTimeout (async)
(anonymous) @ commons.1603d0e75ecfd8e218fb.8.js:73
s @ batch.js:6
window.require @ batch.js:9
(anonymous) @ batch.js?jag=true&locale=en-US:436
react_devtools_backend.js:4026 DEPRECATED JS - Inline dialog constructor has been deprecated and will be removed in a future release. Use inline dialog 2 instead.
at l (https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/5afb61b052c80124cebeda7092403a6b/_/download/contextbatch/js/jira.heritage.critical/batch.js:6:2054)
overrideMethod @ react_devtools_backend.js:4026
k @ batch.js?locale=en-US:51
(anonymous) @ batch.js?locale=en-US:52
(anonymous) @ batch.js?locale=en-US:53
(anonymous) @ batch.js?jag=true&locale=en-US:694
l @ batch.js:6
u @ batch.js:6
l @ batch.js:6
(anonymous) @ batch.js:6
o @ commons.1603d0e75ecfd8e218fb.8.js:685
setTimeout (async)
(anonymous) @ commons.1603d0e75ecfd8e218fb.8.js:73
s @ batch.js:6
window.require @ batch.js:9
(anonymous) @ batch.js?jag=true&locale=en-US:763
DevTools failed to load source map: Could not load content for https://drrxb8fng2bel.cloudfront.net/atl-vertigo--shard-jira-prod-ap-2--4--jres.atlassian.net/s/d41d8cd98f00b204e9800998ecf8427e-CDN/azc3hx/b/7/c62009e2fea14aa06fffad951a5f1f31/_/download/contextbatch/css/com.atlassian.jira.jira-atlaskit-plugin:breadcrumbs,-com.atlassian.jira.jira-quick-edit-plugin:quick-create-issue,-jira.webresources:jira-global,-com.atlassian.auiplugin:aui-spinner,-com.atlassian.jira.plugins.jira-dnd-attachment-plugin:shared-utility,-com.pyxis.greenhopper.jira:gh-view-issue,-...: HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE
batch.js?locale=en-US:238 Failed to run init function: TypeError: removeOldAnalytics is not a function
function() {
determineStorageKey();
setTimeout(bulkPublish, 500);
removeOldAnalytics();
}

Thanks for your help. 

[Yu Tomori]

it resolved now!

thanks, jira team