just had the same thing
, so far i have cleared cache refreshed browswer , swapped browser , rebooted computer , and still i cannot collect reward from my first sailing , i am on 95 of 100 and without any chance to get to 100 unless i hand in , on top of the xps from my other 2 sailing ventures , the error is not on my side .

have done pretty much everything i can , s8 toon name denise , please fis soonest