Invalid argument supplied for foreach() in Dashboard.php

[ways]

Describe the bug

This warning shows up on loading the Dashboard

To Reproduce Steps to reproduce the behavior:

1. Log in
2. Visit dashboard
3. See error in php log

Expected behavior No errors.

Please complete the following information:

• OS: Ubuntu on client, CentOS/cPanel with PHP7.3 on server.
• Browser Firefox
• Version taskboard 1.0.2

Additional context Probably low priority, as it's just a warning.