Server-side UPDATE script for SuperHero database

Warning: Undefined array key "fileToUpload" in /home/wyvernsi/public_html/derekDampare/UpdateCharacter.php on line 14

Warning: Trying to access array offset on value of type null in /home/wyvernsi/public_html/derekDampare/UpdateCharacter.php on line 14

Warning: Undefined array key "fileToUpload" in /home/wyvernsi/public_html/derekDampare/UpdateCharacter.php on line 18

Warning: Trying to access array offset on value of type null in /home/wyvernsi/public_html/derekDampare/UpdateCharacter.php on line 18

Warning: Undefined array key "CharacterToUpdate" in /home/wyvernsi/public_html/derekDampare/UpdateCharacter.php on line 61
Details not sent from EditHero.php script