When i start my SpongeForge 1.12.2 Server than i become this Warn message. Is this a problem?

[m> [20:58:03] [Server thread/INFO] [cdm]: Registering blocks
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find _0multiblockslave owning class, assigning fallback id: immersiveengineering:block_stone_device__0multiblockslave
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find boolean0 owning class, assigning fallback id: immersiveengineering:block_stone_device_boolean0
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find facing owning class, assigning fallback id: immersiveengineering:block_stone_device_facing
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find facing owning class, assigning fallback id: immersiveengineering:block_wooden_device0_facing
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find int_4 owning class, assigning fallback id: immersiveengineering:block_wooden_device1_int_4
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find boolean1 owning class, assigning fallback id: immersiveengineering:block_connector_boolean1
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find _1dynamicrender owning class, assigning fallback id: immersiveengineering:block_metal_multiblocks__1dynamicrender
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find int_16 owning class, assigning fallback id: immersiveengineering:block_i_e_fluid_concrete_int_16
�[m> [20:58:04] [Server thread/WARN] [Sponge]: Could not find facing owning class, assigning fallback id: architecturecraft:block_sawbench_facing

This should have been fixed on Sponge's side in August. If this still happens with up-to-date Sponge put a comment here.