Product: Sims 4
Language: German
How often does the bug occur? everytime.
Version Number: 1.108.318.1020 DX9
Expansion Packs: cottage living, Cats and Dogs, Seasons, island living, Eco lifes...
Ideas
If you have the T.O.O.L mod you can go to build mode and get a fishing sign in the bb.showhiddenobjects cheat and move the sign right in front of the fishing signs in Sulani and your sim then can fish there again. This is what worked for me at least. Hope this helps.