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Mr. KarateMr. Karate 

Production Developer Console bugged and not useable.

When opening our production developer console, the menus at the top show empty drop down when clicked.  Some logs show at the bottom but nothing is useable.  One cannot open or edit any file or make queries. 

The browser console shows these errors:

(/_ui/common/apex/debug/ApexCSIPage) Uncaught TypeError: Cannot read property 'addCls' of null main.js:1764
Sfdc.provide.log main.js:1764
(anonymous function) main.js:1576
log main.js:1761
a.log main.js:1761
l main.js:1659
(anonymous function) main.js:1660


Uncaught TypeError: Cannot read property 'addCls' of null ext-all.js:18
Ext.define.addBodyCls ext-all.js:18
Ext.define.handleItemBorders ext-all.js:18
Ext.define.beginLayout ext-all.js:18
Ext.define.resetLayout ext-all.js:18
Ext.define.invalidate ext-all.js:18
Ext.define.invalidate ext-all.js:18
Ext.define.flushInvalidates ext-all.js:18
Ext.define.run ext-all.js:18
Ext.define.statics.flushLayouts ext-all.js:18
Ext.define.statics.updateLayout ext-all.js:18
Ext.define.updateLayout ext-all.js:18
Ext.define.doLayout ext-all.js:18
Ext.define.statics.open ApexIDEPanels_Ext4.js:178
n ApexIDEPanels_Ext4.js:116
(anonymous function) ApexIDEPanels_Ext4.js:118
SfdcDevConsole.ToolingAPI.query.continuation ApexIDEPanels_Ext4.js:118
Sfdc.isFunction.Sfdc.isFunction.b.success ApexIDECore.js:32
b
Best Answer chosen by Mr. Karate
AshwaniAshwani
In that case you may face error in console. Developer console is still inconsistent in various scenarios. Mostly when performing operation with large data. Regarding hard reload, if you use Google chrome just press and hold the "reload" button.

All Answers

Mr. KarateMr. Karate
Update:  This only happens for our main admin account.  Is there a way to reset the developer console state for that account?
AshwaniAshwani
Well it is not with every instance of Salesforce organisation. Did you try after empty the browser cache and hard reload of console?
Mr. KarateMr. Karate
This only happens with the main administrator hard delete account.  How do you hard reload?  What I suspect happened was that I made a complex query and it's trying to pull that query back up, failing and bugging out the console.
AshwaniAshwani
In that case you may face error in console. Developer console is still inconsistent in various scenarios. Mostly when performing operation with large data. Regarding hard reload, if you use Google chrome just press and hold the "reload" button.
This was selected as the best answer
Mr. KarateMr. Karate
I held down F5 for a few seconds and reloaded  a few times before I noticed it to be working.  Thanks you!