How to fix error in FBX 3D models?

To fix errors in FBX 3D models, start with checking software compatibility, re-exporting from the original tool (e.g., Blender, Maya) with proper settings, or using Autodesk FBX Converter to repair. Common errors like missing textures, broken animations, or import failures often stem from mismatched FBX versions or incomplete exports—ensure your export tool uses a version supported by the importer and enable baking animations if needed. For persistent issues, open the FBX in Blender (free) to adjust import settings (e.g., axis orientation) or fix corrupted data before re-exporting.