An ideal bug report should consist of the following key points:
A unique ID
Defect description: A short description of the bug
Steps to reproduce: They include the detailed test steps to emulate the issue. They also provide the test data and the time when the error has occurred
Environment: Add any system settings that could help in reproducing the issue
Module/section of the application in which the error has occurred
Severity
Screenshots
Responsible QA: This person is a point of contact in case you want to follow-up regarding this issue