Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Code: 8192
Message: Methods with the same name as their class will not be constructors in a future version of PHP; FPDF has a deprecated constructor
File: /home/direct36/public_html/tenoriobarato.com.mx/app/lib/fpdf/fpdf.php
Line: 12

Trace

#0 /home/direct36/public_html/tenoriobarato.com.mx/app/modelos/PdfModelo.php(4): Slim\Slim::handleErrors(8192, 'Methods with th...', '/home/direct36/...', 12, Array)
#1 /home/direct36/public_html/tenoriobarato.com.mx/app/modelos/PdfModelo.php(4): require()
#2 /home/direct36/public_html/tenoriobarato.com.mx/index.php(172): PdfModelo->cupones()
#3 [internal function]: {closure}()
#4 /home/direct36/public_html/tenoriobarato.com.mx/vendor/slim/slim/Slim/Route.php(454): call_user_func_array(Object(Closure), Array)
#5 /home/direct36/public_html/tenoriobarato.com.mx/vendor/slim/slim/Slim/Slim.php(1316): Slim\Route->dispatch()
#6 /home/direct36/public_html/tenoriobarato.com.mx/vendor/slim/slim/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#7 /home/direct36/public_html/tenoriobarato.com.mx/vendor/slim/slim/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#8 /home/direct36/public_html/tenoriobarato.com.mx/vendor/slim/slim/Slim/Middleware/SessionCookie.php(110): Slim\Middleware\MethodOverride->call()
#9 /home/direct36/public_html/tenoriobarato.com.mx/vendor/slim/slim/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\SessionCookie->call()
#10 /home/direct36/public_html/tenoriobarato.com.mx/vendor/slim/slim/Slim/Slim.php(1263): Slim\Middleware\PrettyExceptions->call()
#11 /home/direct36/public_html/tenoriobarato.com.mx/index.php(180): Slim\Slim->run()
#12 {main}