[12-Jun-2026 01:35:35 UTC] PHP Fatal error:  Uncaught Error: Undefined constant "BASE_URL" in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php:6
Stack trace:
#0 /home/igusst/construyelo.igusst.com/modulo-materiales/index.php(3): require_once()
#1 {main}
  thrown in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php on line 6
[12-Jun-2026 01:35:35 UTC] PHP Fatal error:  Uncaught Error: Undefined constant "BASE_URL" in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php:6
Stack trace:
#0 /home/igusst/construyelo.igusst.com/modulo-materiales/index.php(3): require_once()
#1 {main}
  thrown in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php on line 6
[12-Jun-2026 01:35:35 UTC] PHP Fatal error:  Uncaught Error: Undefined constant "BASE_URL" in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php:6
Stack trace:
#0 /home/igusst/construyelo.igusst.com/modulo-materiales/index.php(3): require_once()
#1 {main}
  thrown in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php on line 6
[12-Jun-2026 01:35:40 UTC] PHP Fatal error:  Uncaught Error: Undefined constant "BASE_URL" in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php:6
Stack trace:
#0 /home/igusst/construyelo.igusst.com/modulo-materiales/calcular.php(3): require_once()
#1 {main}
  thrown in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php on line 6
[12-Jun-2026 01:35:40 UTC] PHP Fatal error:  Uncaught Error: Undefined constant "BASE_URL" in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php:6
Stack trace:
#0 /home/igusst/construyelo.igusst.com/modulo-materiales/calcular.php(3): require_once()
#1 {main}
  thrown in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php on line 6
[12-Jun-2026 01:35:40 UTC] PHP Fatal error:  Uncaught Error: Undefined constant "BASE_URL" in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php:6
Stack trace:
#0 /home/igusst/construyelo.igusst.com/modulo-materiales/calcular.php(3): require_once()
#1 {main}
  thrown in /home/igusst/construyelo.igusst.com/includes/validar_sesion.php on line 6
