Help with New Mauville flag issue

[DFX98]

I remember years ago with old PkHex by mistake I activated the Delta Episode for a second time and that messed up a bit some flags like the one to reach the museum second floor because an invisible person blocked it. I fixed that already but now I realize I cant enter New Mawville too. Do someone knows what flag needs to be fixed to be able to enter New Mauville again? When I try to enter it says the Iris scan doesn't recognize me.

Gonna upload my save file.

Would really appreciate if someone can help me with this issue, because looks like doesn't have a flag for New Mauville access per se.

Or to help find the flag that triggers allows you to enter New Mauville again so I can trigger it myself.

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Edited August 3, 2022 by DFX98
Added a little more info.