Consumer Issue in Kafka with C Application (Version 2.4.0)

[isma3ilovich]

Hello,
I recently encountered an issue with my C app.
The application includes both a producer and a consumer.
It had been running for over a month, producing and consuming messages without any problems, handling around 500 messages per day.
However, last week, the consumer suddenly stopped consuming messages (resulting in a lag on the topic), and no errors or logs were generated on the application side. Meanwhile, the producer continued functioning normally.
There were no indications of issues on the Kafka broker side either.
After restarting the application, the consumer resumed consuming the pending messages.
I am using version 2.4.0

Thanks,