Issues with loading Tekxit 3 Sphax pack

[Squiddles38]

When trying to load the pack with the add on it will always switch back to default textures. I am using the newest version of Tekxit on minecraft 1.12.2. I have tried allocating 8gb of ram to 16gb of ram and not a single resoultion (128x, 64x, 32x and 16x) will work. The pack itself without the add on does work. I tried to remove all the mods, load the game, add the texture pack and addon, add the mods back and reload the game and this error came up (attached). By doing this it seems it may be an issue with certain mod packs, and I don't know what to do. I will also attach a log file of the game after trying to load the packs. OptiFine_1.12.2_HD_U_F5 was used. I have also searched about and any solutions I found did not work.
My PC specs are:
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I7 9700k @4.7Ghz, EVGA SC gtx 1080, corsair 32gb ram, Asus prime z390 a, windows 10 64bit.

[HanFox]

Try disabling Mipmaps in your Options.

[MaxSpielt]

Try disabling Mipmaps in your Options.

Hello i have the same problem and i had disabeld the mipmaps option but it dosen´t work