java.lang.IllegalArgumentException: invalid offset: -65536

[vamsi260]

Describe the bug
When load is triggered, the application crashes at some point stating the below error without any stack trace. The application has 2 core Cpu, 6GB of Memory and increased zilla worker capacity of 1024 (as suggested in one of the threads)
java.lang.IllegalArgumentException: invalid offset: -65536 stopped

To Reproduce
Steps to reproduce the behavior:

1. Trigger a load of 1200/sec (adjust the users to 12000)

Expected behavior

1. The resources are sufficient(as compared to the previous Runs), and the application is healthy. It should result in a successful completion of the load run.

Screenshots

Describe the Host environment including:
Zilla is running on aws ecs with EC2 backing. we are using m5dn.xlarge instance to accommodate the resource.
./zilla start -v -e -Pzilla.engine.worker.capacity=1024

Kafka Environment:
Kafka is running on confluent cloud environment