Returned if your request specified invalid parameters or if your request was improperly formatted. For example:

• Missing name parameter or acl object.
• The name or description parameters exceed the character limit.
• The specified name already exists.
• Trying to assign more than one permission to the same user.
• The acl object is missing the type property or more than one OWNER permission is specified.
• Trying to assign the OWNER permission to a GROUP type.
• Invalid acl.permission, acl.type, or acl.uuid.

Returned if you do not have permission to create a shared collection.