I was already user Salesforce (DE). after verify I was found the error below. Ref: BEDTNYMC

I want to encrypt the message with ASE mode CBC and padding with pkcs7 algorithm. 

Normally, Apex didn't support pkcs7. Then I using the javascript by lightning component. I already download source from "https://www.npmjs.com/package/pkijs", and using ltng:require tag for include the script.

But it didn't work, Please give me some advise.

please correct this code and help me earn this badge ...have completed all tasks ..except this one ....

IF( MONTH( NOW() ) = 12,
  DATE( YEAR( NOW() ), 12, 31 ),
  DATE( YEAR( NOW() ), MONTH( NOW() ) + 1, 1) - 1