Map not loading in TerraMap

[heeliumxd]

Not loading in web version or downloaded app.

Using tmodloader v2025.12.3.0, terraria version v1.4.4.9, mods included : Armor Modifiers & Reforging v1.4.1, Boss Checklist v2.2.3.1, Gravitation Don't Flip the Screen v1.3, High FPS Support v0.6.6.5, More Accessory Slots (More Accessories) v.1.5.1, No More Tombs v2.1, Ore Excavator v0.8.9, Recipe Browser v0.12, Shorter Respawn Time v1.2.1, VFX+ v1.0

Using on Windows 11

Specs:
I5-8600K
32GB RAM DDR4
GTX 1070

Including the map file
main1.zip

[jasoncoon]

The main1.twld file is only 79 KB after unzipping. Most world files are usually much larger, at least several MB.
Beyond that, TerraMap can't read world files that have been modified by mods.