Compatible php 8.0+

[klaoun]

hi
i have this error in piwigo from config and when an user registers it displays an error but it is well registered.

ip to exclude

in the framework of big errors :(

Warning: Undefined array key "HIPE_IPBlacklisted" in ...admin.tpl.php on line 54
Warning: Attempt to read property "value" on null in ..admin.tpl.php on line 54
Warning: Undefined array key "TAG_INPUT_ENABLED" in ..admin.tpl.php on line 61
Warning: Attempt to read property "value" on null in ..admin.tpl.php on line 61
Warning: Undefined array key "TAG_INPUT_ENABLED" in ...admin.tpl.php on line 63
Warning: Attempt to read property "value" on null in ..admin.tpl.php on line 63
Warning: Undefined array key "TAG_INPUT_ENABLED" in ..admin.tpl.php on line 74
Warning: Attempt to read property "value" on null in ..admin.tpl.php on line 74
Warning: Undefined array key "TAG_INPUT_ENABLED" in ..admin.tpl.php on line 77
Warning: Attempt to read property "value" on null in ...admin.tpl.php on line 77
Warning: Undefined array key "TAG_INPUT_ENABLED" in ..admin.tpl.php on line 83
Warning: Attempt to read property "value" on null in ..admin.tpl.php on line 83
Warning: Undefined array key "TAG_INPUT_ENABLED" in ..admin.tpl.php on line 85
Warning: Attempt to read property "value" on null in ..admin.tpl.php on line 85
Warning: Undefined array key "TAG_INPUT_ENABLED" in ..admin.tpl.php on line 88
Warning: Attempt to read property "value" on null in ..admin.tpl.php on line 88
Warning: Undefined array key "HIPE_DESCRIPTION2" in ..admin.tpl.php on line 96
Warning: Attempt to read property "value" on null in ...admin.tpl.php on line 96
Warning: Undefined array key "resultat" in ...admin.tpl.php on line 103
Warning: Attempt to read property "value" on null in ...file.admin.tpl.php on line 103

thx