Activity bank selection in authoring tool results in broken button in delivery

[halturner]

This page in Authoring

results in this page in the delivery environment (this is a full section, not a preview page)

The button has no label. It leads to a 404 when you click it. And the first question doesn't generate feedback for the student.

[normanbier]

There is a major issue with activities that use Activity Banks. Attempting to launch an activity as a student also produces the image below. Reproduce here: https://stellarator.oli.cmu.edu/sections/real_chemistry_i_7132023_merge/page/a43ug_electromagnetic_energy_and_the_9h7ko