Optifine version: 1.12.2_HD_U_E2.jar
Tested when using and not using it by dragging the mod out of the mod folder.
Error report: https://pastebin.com/NmfrNaBr

Upgrade OptiFine, works fine on my end.
https://optifine.net/adloadx?f=preview_OptiFine_1.12.2_HD_U_E4_pre1.jar