Textools Error Messages

Error reading the MDL file / Failed to update the viewport

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If you have no warning in the model importer: The mesh has no weights.

However, if you get an orange warning that there’s no valid skin element, then you have no armature.

To fix this, make sure the armature modifier on your mesh has an armature in the “object” section.

Vertices had major corrections made to their weight data

This is generally fine, it means that your weights are not evenly balanced with j_kao. Textools honestly does a decent job at normalizing so you can ignore it for the most part.

Alternatively you can normalize your weights using something like “normalize all” but Blender does a pretty terrible job at it.

https://docs.blender.org/manual/en/latest/grease_pencil/modes/weight_paint/weights_menu.html

Error Reading Mod Data - File Offset Invalid

Error Updating Viewport - Position vertex contains invalid value

This is caused by your indexes being screwed up by Textools.

Do “Download Index Backups” and “Start Over”.

If this doesn’t work, repair your game through FFXIV Quick Launcher.

Note: You need to back up every GShade/ReShade file in SquareEnix\FINAL FANTASY XIV - A Realm Reborn\game

ffxiv_dx11.exe - Application Error (instruction at referenced memory)

This is caused by the dimensions of a texture not being a power of 2.

E.g. a texture size of 800 x 1024, 800 is NOT a power of 2 so it will crash your game.

Vertex has no valid bone weights. This will cause animation issues.

You have vertex groups (weights) that cannot be used by the armature.

In this example, my weights are for EX 160, but my armature is EX 202.

There are 2 ways to fix this:

• If your vertex group EX also has the same ending (e.g. if it was j_ex_h0160_ke_a_l), you can change the number to the correct one (j_ex_h0202_ke_a_l)
• If it doesn’t, you will need to reweight the hair to match the armature, or use the correct armature. Although this kind of issue usually happens with hair mashups, so will most likely need to be reweighted.