Symptoms
A Salesforce Admin might encounter a Salesforce bug when installing the package (version 5.5.2 or lower) related to the WhatId in the RelatedContent section of the Task layout.
Applies To
Salesforce Sales Cloud version 5.5.2 or lower
Resolution
Install version 5.5.4 or higher as we have removed the WhatId from the RelatedContent section in the Task layout in 5.5.4 to avoid this error.