chtMultiRegionTwoPhaseEulerFoam: missing L parameters for restart

I) Restarting the case from solution , ask for missing parameters L from Bromley model .

2)Switching the DebugSwitches i.e below one to 2 , lead solver failing with error. Please check with tutorial for
chtMultiRegionTwoPhaseEulerFoam

DebugSwitches
{
compressible::alphatWallBoilingWallFunction 2;
}