Where can I learn more about the issues?

After more than half a decade of discussion, the literature on reproducibility is substantial. Thankfully, brave authors have provided summaries and reviews:

see also

Crüwell et al. (2018) have put together 8 Easy Steps to Open Science, an annotated reading list.

Brent Roberts and Dan Simmons have compiled an extensive Reproducibility and Replicability Reading List which lists further literature by topic.

The Open Research Glossary by Jon Tennant and Ross Mounce defines key terms used throughout the Open Science movement.