Had a look into the database. It seems the back slashes in the texture path are somehow stripped when players are saved.
select Name as PlayerSave_Name, UniformTexture as PlayerInfo_UniformTexture, BackpackTexture as PlayerInfo_BackpackTexture, LastModified as PlayerSave_LastModified from PlayerSave ps inner join PlayerInfo pi on ps.PlayerUID=pi.UID where pi.Name='Jermin';
+-----------------+-------------------------------------------+-------------------------------------------+-------------------------+
| PlayerSave_Name | PlayerInfo_UniformTexture | PlayerInfo_BackpackTexture | PlayerSave_LastModified |
+-----------------+-------------------------------------------+-------------------------------------------+-------------------------+
| Jermin | "clientimagesvehicleTextureswooddark.paa" | "clientimagesvehicleTextureswooddark.paa" | 2016-04-15 17:54:35 |
| Jermin | "" | "" | 2015-06-08 20:47:34 |
+-----------------+-------------------------------------------+-------------------------------------------+-------------------------+