NPE at RedisStateMachine.safeSet(RedisStateMachine.java:431)

[schernolyas]

Hi all!

I have been faced with this error. I don't understand what it means.
My stack trace is:
java.lang.NullPointerException

| at com.lambdaworks.redis.protocol.RedisStateMachine.safeSet(RedisStateMachine.java:431)
| at com.lambdaworks.redis.protocol.RedisStateMachine.decode(RedisStateMachine.java:233)
| at com.lambdaworks.redis.protocol.RedisStateMachine.decode(RedisStateMachine.java:133)
| at com.lambdaworks.redis.pubsub.PubSubCommandHandler.decode(PubSubCommandHandler.java:97)
| at com.lambdaworks.redis.protocol.CommandHandler.channelRead(CommandHandler.java:266)
| at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)

Version of Redis is 4.
Version of Lettuce is 4.4.6.Final.

I have found #576 but ....I have not seen instructions to fix this problem.
I need help! Thank you very much!