UTR Library Designer Error

Template 5'-UTR Sequence (25NT) : NNNNNNNNNNAAAGGAGCATCNNNN ,     Additional Constraints for designing 5'-UTR sequence (25NT) : NNNNNNNNNNNNNNNNNNNNNNNNN

Protein Coding Sequence (at least N-term 35NT) : 10.38 -1.19 0.29 -8.80 -11.40 -1.19 15470.48 ( CDS should start with ATG or GTG )

16s rRNA Sequence : ACCUCCUUA

Desired Expression Range : 100.00 ~ 100000.00

Number of expression-level intermediates : 4