Oh good, it's not just me. Yeah, I'm having the same issue. From my KSP.log:
[LOG 16:48:14.535] Load(Model): Notantares Space Industries/Gemini Paraglider/Para-Wing_B/GeminiParaglider_1 [ERR 16:48:14.575] File error:
Arg_InsufficientSpace
Parameter name: chars
at System.Text.UTF8Encoding.InternalGetChars (System.Byte* bytes, Int32 byteCount, System.Char* chars, Int32 charCount, System.UInt32& leftOverBits, System.UInt32& leftOverCount, System.Object provider, System.Text.DecoderFallbackBuffer& fallbackBuffer, System.Byte[]& bufferArg, Boolean flush) [0x00000] in <filename unknown>:0
at System.Text.UTF8Encoding.InternalGetChars (System.Byte[] bytes, Int32 byteIndex, Int32 byteCount, System.Char[] chars, Int32 charIndex, System.UInt32& leftOverBits, System.UInt32& leftOverCount, System.Object provider, System.Text.DecoderFallbackBuffer& fallbackBuffer, System.Byte[]& bufferArg, Boolean flush) [0x00000] in <filename unknown>:0
at System.Text.UTF8Encoding.GetChars (System.Byte[] bytes, Int32 byteIndex, Int32 byteCount, System.Char[] chars, Int32 charIndex) [0x00000] in <filename unknown>:0
at System.IO.BinaryReader.ReadCharBytes (System.Char[] buffer, Int32 index, Int32 count, System.Int32& bytes_read) [0x00000] in <filename unknown>:0
at System.IO.BinaryReader.PeekChar () [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.ReadChild (System.IO.BinaryReader br, UnityEngine.Transform parent) [0x00000] in <filename unknown>:0
at PartReader.Read (.UrlFile file) [0x00000] in <filename unknown>:0 [WRN 16:48:14.575] Model load error in 'C:\Program Files (x86)\Steam\steamapps\common\Kerbal Space Program\GameData\Notantares Space Industries\Gemini Paraglider\Para-Wing_B\GeminiParaglider_1.mu'