SharePoint 2013 Application Event ID 8031

Basically, here is the summary of what you need to do.

<![if !supportLists]>1.                   <![endif]>Copy the long ID from  the event log

<![if !supportLists]>2.                   <![endif]>Search the ID in SharePoint Config DB

<![if !supportLists]>3.                   <![endif]>Retrieve the Column ID

<![if !supportLists]>4.                   <![endif]>Then run stsadm -o deleteconfigurationobject command

<![if !supportLists]>5.                   <![endif]>Done!

Here are all the details how you can continue,

<![if !supportLists]>1.                   <![endif]>Copy the long ID from the event 8031, just like the blue highlight in the image above

<![if !supportLists]>2.                   <![endif]>Logon to SQL Server and lunch SQL Management Studio 

<![if !supportLists]>3.                   <![endif]>Navigate to SharePoint_Config database, create a new SQL Query, and enter the following statement

SELECT ID, Properties FROM [Objects] WHERE [Name] LIKE '%24ca5db5-9a2f-4a3d-9e52-38ab5a1a7ab0_735388cb-9769-4d37-b212-0b17a5db02f8%'

<![if !supportLists]>4.                   <![endif]>Note the id was copied from the screen above.

<![if !supportLists]>5.                   <![endif]>The query result returned with one record found. (screen below) 

Feel free to look into the XML contents if you are interested.

<![if !supportLists]>6.                   <![endif]>Then I copy the column id from the above image (highlighted in purple)

<![if !supportLists]>7.                   <![endif]>Go back to the Web server and run the following stsadm.

STSADM -o deleteconfigurationobject -id C8D9F11F-D129-41D7-9248-D54DE43059D2

<![if !supportLists]>8.                   <![endif]>The operation completed successfully, 

Hope you manage to do these steps.