if (pStudyId == null || pMatrixId == null || pFile == null || pMappedFields == null) {
returnVal.addErrorMessage("Null parameters passed in. Cannot create Row Segment.");
return returnVal;
}
TSVFileParser parser = new TSVFileParser();
List<List<String>> values = parser.parseFile(pFile, pSkipFirstRow, returnVal);
//checks to make sure there are 19 tabs present in each list
for (int x = 0; x < values.size(); x++) {
if (values.get(x).size() < 19) {