UTR Library Designer Error

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

Protein Coding Sequence (at least N-term 35NT) : ATGCAACAGACAACCCAAATTCAGCCCTCTTTTAC

16s rRNA Sequence : ACCUCCUUA

Desired Expression Range : 1002.55 ~ 10000000.00 ( Desired max expression should be smaller than 1000000 )

Number of expression-level intermediates : 16