The leaders and management team must do whatever possible to deliver top-notch r

The leaders and management team must do whatever possible to deliver top-notch results. The team members look for us to guide them in the right direction. We need to set expectations from the beginning.
1. How should the project manager handle the situation where the processes are lacking quality?
2. What is likely the cause of this problem?
Please only use 1 source and only cite it once since this is only one page. Please only use academic sources that are current within 2 years.