Troubleshooting¶

Problem	Check
Runtime conflict after updating	Save your work and restart Blender to load the updated runtime.
NumPy errors, or glTF import fails with "DLL load failed"	See NumPy errors after updating to 1.0.1.
Faceboard does not move the face	Check Character, then click Edit Board again.
Faceboard layout missing	Select faceboard.json from your Epic MetaHuman for Maya installation.
No ROM clips listed	Use exported FBX files, not Unreal .uasset files.
UV Conform rejected	Check compatible MetaHuman UVs and the Head/Body selection.
UV Conform says vertices were rebuilt	Welding or a ZBrush round trip merged or flattened a few Target vertices, so they were rebuilt from their neighbours. They are selected on the Target: Tab into Edit Mode to check them.
UV Conform says faces would flip or collapse	The Target's own shape is damaged in more places than can be rebuilt. Fix the selected faces on the Target, or use a copy from before welding or ZBrush, then conform again.
Clothing export says "Bind to Body first"	Select the garments it names and click Bind to Body.
Clothing export says "Enable these in the Outliner first"	Turn the named objects, or the collections holding them, back on in the Outliner.
Clothing clips in Unreal but not in Blender	Import the character's DNA in MetaHuman Creator with Replace, not Mesh Fit. Mesh Fit reshapes MetaHuman Creator's own body to resemble yours, so it doesn't match the body the clothes were bound to.
Creased ears, lips or eyelids	Check matching markers and protection. Try fewer Detail Iterations and compare from several angles.
Markers are invisible	Enable Show Markers.
Markers will not import	Set Source and Target; their topology must match the saved marker set.
Lower LOD still has the old shape	Apply the preview first. After manual sculpting, use Update LOD 1-7 and check any warnings.
Protection is hard to see	Click Protect to view the Source's painted mask.
Export blocked by a welded sculpt	Click Unweld Neck Seam first.
A line shows where head and body meet	Click Match Seam Normals. If the line stays, turn off other normals modifiers on the head or body, such as a Weighted Normals node group, which replace REVO's seam shading.
Export fails with "Error opening file", or Validate reports E_SIGNATURE for a .orig.dna file	Update to 1.1.0 and reopen the .blend. The original DNA must still be unchanged where you imported it from; otherwise re-import the character.
Painted protection tears into flaps on Balanced or Best	Update to 1.1.0 and run Conform again.

If Unweld reports changed topology or conflicting original meshes, keep the joined sculpt and recover from a saved copy. Do not delete your edits.