A lot of the time server bug reports are hard to debug because there are multiple users and knowing what everyone is doing is difficult.

This could be partially be solved by having an audit log of things that happen fairly rarely but are known to sometimes cause issues. For example:

• placing blueprints
• pasting grids
• finishing blueprints

There are other things that cause trouble, but they happen very often and would likely be difficult to keep an effective log of:

• loading and unloading world chunks
• placing a block