Completed every summer level but no trophy?

[sharkyaya]

I just got the ‘Summer Postmasters’ trophy for getting gold on each of the summer levels but didn’t unlock ‘Fun in the Bungalow Basin Sun’ which is simply for completing all the levels in the summer season. 
Has anyone else had this issue? I’m hoping to avoid a new playthrough just to unlock this trophy. 
 

Edit:

Unfortunately, the only solution I found was to create a new save file and run through the entire summer season again. I didn’t bother with the gold ranks until I was sure to unlock the fall cutscene/trophy. 

Edited September 23, 2022 by sharkyaya