GantryCrane.cpp example does not work

[nedialk]

lie git:(dist) ✗ gcc GantryCrane.cpp -std=c++20 -ladolc -lstdc++
➜ lie git:(dist) ✗ ./a.out
Assertion failed: (currentTapePtr() && "Current Tape is nullptr!"), function currentTape, file tape_interface.h, line 120.
[1] 20845 abort ./a.out