Compilation errors in Shallow Water contents example's Niagara module script

This seems to be because the ModuleUsageBitmask is hardcoded as Particle.

Sig.ModuleUsageBitmask = ENiagaraScriptUsageMask::Particle;

UNiagaraDataInterfaceGrid2DCollection::GetFunction
{

...

Sig.FunctionSpecifiers.Add(FName("Attribute"));
Sig.bMemberFunction = true;
Sig.bRequiresContext = false;
Sig.bExperimental = true;
Sig.ModuleUsageBitmask = ENiagaraScriptUsageMask::Particle;
Sig.bSupportsCPU = false;
Sig.bSupportsGPU = true;

...

1. open 'ContentsExamples' project
2. open 'Niagara Fluids' Level
3. open '2DLiquidWake' Niagara System 
   • ExampleContent/Niagara/2DLiquid/2DLiquidWake.uasset
4.  open 'Extrapolate Height Grid 2d' module script
   • NiagaraFluids/Content/Modules/Grid2D/ShallowWater/Grid2D_SW_ExtrapolateHeight.uasset

Compile Error message :

Function call "GetPreviousFloatValue" is not allowed for stack context ENiagaraScriptUsage::Module....