Fatal error: Using $this when not in object context in /ilike/html/saPlatform/lib/stringEncrypter/StringEncrypter.php on line 194

Call Stack:
    0.0001     232584   1. {main}() /ilike/html/saPlatform/api/ad/click.php:0
    0.0004     395160   2. StringEncrypter->decrypt() /ilike/html/saPlatform/api/ad/click.php:18
    0.0023     395976   3. StringEncrypter::fromPkcs7() /ilike/html/saPlatform/lib/stringEncrypter/StringEncrypter.php:134