Get_default of Parameter HighViralLoadProtectionFactor doesn't work as expected

[xsaschako]

Bug description

When you don't set HighViralLoadProtectionFactor it should default to a function which goves back 0.0 every time. This thrwos an error std::bad_function_call for me.

Version

Any

To reproduce

1. comment out any simulation part where HighViralLoadProtectionFactor is set
2. run simulation till the variable high_viral_load_factor is used in infection
3. error

Relevant log output

libc++abi: terminating due to uncaught exception of type std::__1::bad_function_call: std::exception

Add any relevant information, e.g. used compiler, screenshots.

No response

Checklist

• Attached labels, especially loc:: or model:: labels.
• Linked to project