If you experience an issue looting in an instance, please wait at least 2 hours for the item to be delivered to you before submitting a ticket. If you do not receive your loot after that time period, submit a ticket for assistance.
What to do if you didn't receive loot in World of Warcraft Classic
Turned in an Emissary Quest and did not receive any loot
Details on how you may be saved to a boss you were unable to loot.