Cannot find the declaration of element 'web:validateSalesforceOrgConnection'

Error message: Cannot find the declaration of element 'web:validateSalesforceOrgConnection'" when selecting an org in EZ-Merge

The error below pops up while selecting the org for merge validation: cvc-elt.1.a: Cannot find the declaration of element 'web:validateSalesforceOrgConnection'

Cause of the issue: This may be due to a cache problem while selecting the Salesforce Org.

Resolution: Clearing the browser cache and refreshing the browser will resolve the issue.