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In this view, you are able to: access the issue details by clicking its ID, see the sync direction represented by an arrow, view the synchronization outcome in order to learn whether it was succesful successful or not and not and check the synchronization date. Also, the filter section allows you to look up the items and switch between failed and synced:
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At this point you can either adjust the mappings or invalid configuration for the items causing the error errors or simply change update the mapping fallback options for the error not to be raised in the future.