I ran the check50 command on the terminal window for my program caesar pset2 but I am unable to understand the error message in red as follows :
:) caesar.c exists
:) caesar.c compiles
:( encrypts "a" as "b" using 1 as key
\ expected output, but not "plaintext : "
:( encrypts "barfoo" as "yxocll" using 23 as key
\ expected output, but not "plaintext : "
:( encrypts "BARFOO" as "EDUIRR" using 3 as key
\ expected output, but not "plaintext : "
:( encrypts "BaRFoo" as "FeVJss" using 4 as key
\ expected output, but not "plaintext : "
:( encrypts "barfoo" as "onesbb" using 65 as key
\ expected output, but not "plaintext : "
:( encrypts "world, say hello!" as "iadxp, emk tqxxa!" using 12 as key
\ expected output, but not "plaintext : "
:) handles lack of argv[1]
https://sandbox.cs50.net/checks/35255a571b36470aae975c6618517dd2