void createData(Address address, String datatype, MessageLog log) throws CancelledException {
		WrappedDataType wrappedDt = getDataTypeParser().findDataType(datatype);
		if (wrappedDt == null) {
			log.appendMsg("PDB", "Failed to resolve datatype " + datatype + " at " + address);
		}
		else if (wrappedDt.isZeroLengthArray()) {
			Msg.debug(this, "Did not apply zero length array data " + datatype + " at " + address);
		}
		else {
			createData(address, wrappedDt.getDataType(), log);
		}
	}
Checks if PDB has been loaded in the program

@return whether PDB has been loaded or not
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb/PdbParser.java