Fatal error: Uncaught PDOException: SQLSTATE[42S21]: Column already exists: 1060 Duplicate column name 'programa21' in /home2/iter/public_html/prueba/secretaria/anadircol.php:7 Stack trace: #0 /home2/iter/public_html/prueba/secretaria/anadircol.php(7): PDOStatement->execute() #1 {main} thrown in /home2/iter/public_html/prueba/secretaria/anadircol.php on line 7