"YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid. "YearHeader" contains a listed "[" character as part of the property label and has therefore been classified as invalid.