A map got corrupted somewhere in the past 4 years

[Leods]

Hey there! I've been doing a sort of nostalgia trip, revisiting warcraft 3 and all that. As part of it, I decided to check out some of the maps I made back when I was younger. So I reinstalled one of them (Secret Valley, Corrupters that's the link, if that helps), just to find out it didn't work at all in the game. Even worse, I can't open it with WE either (the error message says there's missing or unvalid data).
Now, I'm pretty sure it did work back in 2021, it got aproved and all. But, for some reason, that same file just won't work now. Is there anything I can do to fix this? Could it just be that I probably have a different version of the game now?

 

[A]mun]

Opened it with the current patch 2.02.
Messages like:

Can be ignored, but i saved the map with the current editor version, maybe that helps.
Also tick on jass helper in trigger editor in future maps:

GL

 

[Ravager16829]

The "missing or invalid data" error usually happens if you attempt to open the map with the older version of World Editor, while in fact, the map was saved with the most recent version of World Editor. Maps that are made with 1.31 can't be opened with pre-1.31's World Editor, as did the Reforged maps with pre-Reforged World Editor (especially the ones that are made with 1.33+). Patches 1.31 and 1.33+ introduced big changes to the file format. If you opened it in that World Editor and saved you must use that version or later in order to continue (or use Drake53's Map Adapter, in case you are going to play Reforged maps with pre-Reforged WC3).

Also, worth noting that if you have the most recent version of World Editor that comes with Reforged:
1.Make sure you enabled the JassHelper manually, as detailed in the post above. It used to be enabled by default but devs disabled it for some reason.
2.If you have a custom map with a lot of custom models, especially the Reforged HD ones, you have to use "Save Map as Folder" feature so that you can use the folder without relying a lot on the World Editor's Asset Manager to replace any model files in case they are corrupted.