libfrozen

And after some simple check,I found that the oc mod may not compatible with Liteloader in MC 1.12.2. When I removed the Liteloader and then restart the game,everything backs to normal.

mod_voxelMap_1.7.1_for_1.12.2 ChickenASM-1.12-1.0.2.7 NotEnoughItems-1.12.2-2.4.2.244-universal ChickenChunks-1.12.2-2.4.1.73-universal OpenComputers-MC1.12.2-1.7.3.146 CodeChickenLib-1.12.2-3.2.2.354-universal OpenEye-1.12.2-0.8 EnderStorage-1.12.2-2.4.5.136-universal SmoothFont-mc1.12.2-1.16.2 ForgeMultipart-1.12.2-2.6.1.81-universal Translocators-1.12.2-2.5.1.79-universal Hwyla-1.8.26-B41_1.12.2 i18nupdatemod-1.12.2-1.0.8 Wawla-1.12.2-2.5.270 jei_1.12.2-4.14.4.264 WR-CBE-1.12.2-2.3.1.31-universal millenaire-7.1.1 Xaeros_Minimap_1.

(another mistake)

When I entered a world,the oc mod tolds me that "There were errors running the class transformer.Please report this...latest.log." the latest.log is in the attachment. latest - 副本.txt