Excel Add-in config cannot be null

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Posted on by Community Member Microsoft Employee

Hi!

The excel add-in suddenly stopped working for some users (2 users reporting problem at the moment)

When they click Options in the Excel Add-in there is a 10s freeze and the following error is returned:

An error occurred. The data in the workbook and the behavior of any add-ins may not be correct. Consider contacting your system administrator about this problem.

Value cannot be null.

Parameter name: config

I tried removing registry entries from HKCU, and deleting appdata from user profile. I just can't figure out what's the cause of this.

Any help will be greatly appreciated.

AX version 2012R3CU8
Windows 2012R2

Office: 2013 Pro Plus

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Community Member Microsoft Employee on at

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RE: Excel Add-in config cannot be null

Indeed there were multiple AX instances, and one of them had some services turned off, setting a different instance as default and refreshing the WCF helped!

Thank you!
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Ludwig Reinhard Microsoft Employee on at

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RE: Excel Add-in config cannot be null

Hi,

Have you tried restarting your machine to overcome this issue?

Best regards,

Ludwig