Error appears when clicking security token in Sandbox Orgs
Problem or Issue
On the Composer Setup page, you see an error when you click Update Salesforce Token button in your Sandbox orgs. The error can be ignored because the security token is used for scheduled Batch only.
Possible Causes
There might be code path configuration differences.
Workarounds
On the Conga Conductor Setup page, click the Update Salesforce Token button.