The kevin konundrum glitch

Hi is there anyone has solve the issue for the kevin konundrum glitch. I have face this issue as well as I cannot accept the quest where there are no marks on claptrap. I have finish the story and there are two side quest I cannot go through yet.

BTW I am in ps4 platform.

Anyone has solution? It been too ■■■■ man.

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i have almost everything done, but my 2 last side quests are impossible to finish.
I see it on sanctuary from the map, but when I travelled to sanctuary the exclamation mark disappeared…
I am sure I did the side quests in my first gameplay… but now I can’t finish it at all…
Did u fix this issue somehow?