I used the following encrypt function in the Additional Data section of a Query and got a result:
Expression1:
encryption_aescbcEncrypt(@cusCustomerId, '\x5206adc1a5b9b65f', '\xd726544e976ecd02')
Result1:
0823046d09baa5f002e51a709b3462c6

I used the following function to decrypt in the Additional Data section of a Query and the result is empty:
Expression2:
encryption_aescbcDecrypt('x0823046d09baa5f002e51a709b3462c6', '\x5206adc1a5b9b65f', '\xd726544e976ecd02')
Result2:
empty

I used the same KEY and INITIALIZATION VECTOR for both functions.
I'm quite certain that I am doing it exactly as stated in the documentation:

What am I doing wrong?