Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /home/virtual/anunciope.pe/var/www/html/listarPor.php:157
Stack trace:
#0 /home/virtual/anunciope.pe/var/www/html/index.php(236): include()
#1 {main}
thrown in /home/virtual/anunciope.pe/var/www/html/listarPor.php on line 157