Strange lines poping up to the sky after world update VIII

Hi, anyone has seen this after the last world update? I’ve made two flights in Spain and on both I’ve got these lines.

Yes, See this post:

Ok, thank you. Any solution to solve this?

it is caused by byan addon seasons. remove that for now, until its fixed.
prob only the islands part?

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Correct. Uninstall Bijan Islands and Boats add-on. Should fix it.