Online issue tracking system is a computer software solution for managing issues lists. The lists of issues are defined by the organization activity field.The best example of online issue tracking software is a customer support call center. ... A Bug Tracker is also one of possible online issue tracking software
Transport layer is responsible for correcting data transmission errors which is done by requesting retries also called re-transmission of packets in case of data loss or corrupted data.
Transport layer ensures end to end delivery of data making sure that the data is received correctly and in same order in which it was sent.
Transmission Control Protocol (TCP) is a protocol in this layer that continues to transmit data packets securely from sender to receiver, identifying packet losses.
Transport layer works on packet loss issues and corrects data transmission errors.
It has flow control and error control services manage data transmission rate and ensures data is received without error.
So in case of transmission errors and re-transmission requests transport layer should be investigated.