We can't be rewarded for these two quests , so let's make it correctly:
Test: Ok!
Comments to the script: Usually, the npc should spawn but he didn't to me. So i let the validation to the npc who gived to us the quests.
Code:
DELETE FROM creature_involvedrelation WHERE (id = '48306' AND (quest = '28314' OR quest = '28315'));
INSERT INTO creature_involvedrelation (id,quest) VALUES ('48306', '28314'), ('48306', '28315');
Test: Ok!
Comments to the script: Usually, the npc should spawn but he didn't to me. So i let the validation to the npc who gived to us the quests.