The plaintext modulus t you are using dos not satisfy the constraint: t \bmod m =1
See Automaticly find a good Plaintext Modulus - #2 by ypolyakov for the instructions on how to find a plaintext modulus.
The plaintext modulus t you are using dos not satisfy the constraint: t \bmod m =1
See Automaticly find a good Plaintext Modulus - #2 by ypolyakov for the instructions on how to find a plaintext modulus.