Training: LSB (Stegano, Image, Training)
PHP Warning(2): imagepng(challenge/training/stegano/LSB/temp/6zPpOX0q3wUVoHOn.png): Failed to open stream: No such file or directory in www/challenge/training/stegano/LSB/index.php line 61
Backtrace starts in www/challenge/training/stegano/LSB/index.php line 21. lsb_gen_image()........... www/challenge/training/stegano/LSB/index.php line 61. imagepng()................ [unknown file] line ?. GWF_Debug::error_handler() core/inc/util/GWF_Debug.php line 180.
PHP Fatal Error(1): Constant E_STRICT is deprecated since 8.4, the error level was removed in www/protected/config.php line 6
Backtrace starts in [unknown file] line ?. GWF_Debug::shutdown_function() core/inc/util/GWF_Debug.php line 109. GWF_Debug::error_handler().... core/inc/util/GWF_Debug.php line 180.