Steps are necessary to avoid

* <mention class="mention" data-id="78058" data-type="work_package" data-text="##JIM-152" data-display-id="JIM-152">##JIM-152</mention>

* <mention class="mention" data-id="79711" data-type="work_package" data-text="##JIM-213" data-display-id="JIM-213">##JIM-213</mention>

* Missing creation and update timestamps for imported issues


To fix:

* set Begin of the insertionwork\_package **update\_at**End of the insertion Begin of the deletion **work\_package.update\_at**End of the deletion to **updated** from Jira

* set Begin of the insertionwork\_package **created\_at**End of the insertion Begin of the deletion **work\_package.created\_at**End of the deletion to **created** from Jira

* add a Begin of the insertionnewEnd of the insertion journal entry with Begin of the deletion migratedEnd of the deletion datetime Begin of the insertionof the migrationEnd of the insertion

* suppress journal entries created by a later stage for attachment migration

* set the date of all migrated attachments to Begin of the insertiontheir creationEnd of the insertion Begin of the deletion the createdEnd of the deletion datetime from Jira

* ensure work package creation datetime and all journal entries datetime to be

* &nbsp;ordered Begin of the insertionchronologicallyEnd of the insertion Begin of the deletion chronologically End of the deletion

* unique (journal requirement) by adding microseconds if they are equal (not visible in UI)


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