Hi @Fatima,
This looks as if you pulled in a Jira macro and accidentally selected multiple issues through a JQL filter.
Edit your Confluence page and edit the Jira macro in your table. Suppose you just want to view the PRODUCT-11 epic, just type 'PRODUCT-11' in the search box and press enter to make sure you just see the one issue. Then save the macro and save you page. You should be fine then.
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