Skeletal mesh reduction - Material settings are lost when regenerating the LOD in a mesh with a reduced material section

						Section.ChunkedParentSectionIndex = bIsChunkedSection ? CurrentParentSectionIndex : INDEX_NONE;
						//If we reduce inline the source model, we want to use the real source original section
						Section.OriginalDataSectionIndex = bReducingSourceModel ? SectionData.OriginalDataSectionIndex : OriginalSectionIndex;

						if (!bLODModelAdded)
						{
//							if (FSkelMeshSourceSectionUserData* BackUpUserSectionData = BackupUserSectionsData.Find(SectionData.OriginalDataSectionIndex))
							if (FSkelMeshSourceSectionUserData* BackUpUserSectionData = BackupUserSectionsData.Find(SectionIndex))
							{
//								FSkelMeshSourceSectionUserData& ReducedUserSectionData = ImportedModelLOD.UserSectionsData.FindOrAdd(Section.OriginalDataSectionIndex);
								FSkelMeshSourceSectionUserData& ReducedUserSectionData = ImportedModelLOD.UserSectionsData.FindOrAdd(SectionIndex);
								ReducedUserSectionData = *BackUpUserSectionData;
							}
						}

						SectionMatched = true; //a backup section can be restore only once
						break;