<p>I would like to ask you if the "duplicate error" is related to issue <a href="https://github.com/OpenSIPS/opensips/issues/503" class="issue-link js-issue-link" data-url="https://github.com/OpenSIPS/opensips/issues/503" data-id="74413809" data-error-text="Failed to load issue title" data-permission-text="Issue title is private">#503</a>:</p>

<p>CRITICAL:db_mysql:wrapper_single_mysql_real_query: driver error (1062): Duplicate entry 'prove-si.unimib.it-sip:prove@IP-7c22475a-ac9cde33-4447' for key 'account_contact_idx'<br>
proxysiptest /sbin/opensips[23345]: ERROR:core:db_do_update: error while submitting query</p>

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