Warning: This is a potentially unstable version. If you encounter any error, please report it to me by copying the full error and giving any detail of what you did that could help me to reproduce it. Thank you in advance.
If you use a MySQL database, you need to change the type of the "archived" column of the "tigerreports_reports" table of your database to "INT(1)". If you don't know how to do so, you can follow the instructions in this tutorial page.
Fixed an error when collecting reports from database (thanks to SiriHackYT for reporting the issue).