Hello my friend try to connect to our server with modpack Tekkit and he lost connection everytimes we are not cracked
2020-04-07 20:05:12 [INFO] [STDERR] java.io.IOException: Bad packet id 28
2020-04-07 20:05:12 [INFO] [STDERR] at net.minecraft.network.packet.Packet.func_73272_a(Packet.java:149)
2020-04-07 20:05:12 [INFO] [STDERR] at net.minecraft.network.TcpConnection.func_74447_i(TcpConnection.java:325)
2020-04-07 20:05:12 [INFO] [STDERR] at net.minecraft.network.TcpConnection.func_74450_c(TcpConnection.java:549)
2020-04-07 20:05:12 [INFO] [STDERR] at net.minecraft.network.TcpReaderThread.run(SourceFile:94)
2020-04-07 20:05:12 [INFO] [Minecraft-Server] /[His ip adress] lost connection
Please i need help thx