Duping the TC to the Aux TC1 column didn’t do the trick, but by using the autosync option from the clip menu on the top of the screen would still highlight the unsynced clips, so i could keep pressing that same autosync option in the clip menu untill all the usable clips are synced, so i can continue.
Although this is more like supressing a disease instead of curing it, it is a valid workaround.
Thanks for the input though, learning every day 😉