Describe the bug
AAM-Loft parameters in modular missiles reset to default after returning to the hangar.
To Reproduce
Set the AAM-loft as the guidance type, make some changes in parameters that are shown here:
Launch the aircraft -> Return to the hangar.
This will cause settings to reset.
Expected behaviour
Settings should not be corrupted by anything other than user.
Logs
Please attach your <KSP Directory>/KSP.log file.
KSP.log
Screenshots
Before flight:

After flight:

Additional context
This issue can be countered by saving aircraft and loading it after return, so it's not a severe issue, but it forces the user to save/load the aircraft with tons of parts in order to avoid bug, which takes time.