Error Log core/model/modx/modparser.class.php : 540) Could not find snippet with name 85

Summary

Checking error log and get the following:
core/model/modx/modparser.class.php : 540) Could not find snippet with name 85.

Step to reproduce

refresh error log

Observed behavior

Just that error repeated over and over again.

Expected behavior

I am trying to figure out why my sitemap isnt working. I get a 404 error on the SEO plugin and a getresources built sitemap which has led me to this.

Environment

|Apache Version |2.2.31|
|PHP Version |5.5.36|
|MySQL Version |5.5.44-37.3-log|
MODX Revolution 2.6.5-pl

In your Elements / Snippets, do you have a snippet with the ID number, or name 85? If you do have one with that ID number, what is it called? If it is a custom snippet could you post the code within it?

The message suggests a call like [[85]] exists somewhere; perhaps that should’ve been [[~85]]?