Warning: Undefined array key "alias"

[cimt]

Evolution CE 1.4.20 clean install

PHP 7.4 works
PHP 8.0 dosnt work

Warning: Undefined array key "alias" in ...\assets\plugins\pagebuilder\tpl\form.tpl on line 32
...\assets\plugins\pagebuilder\tpl\container.tpl on line 5
...\assets\plugins\pagebuilder\tpl\container.tpl on line 11 " data-formid="94a382eab4678fd1bbc02f5c6b08f7dc">

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Uncaught SyntaxError: '' string literal contains an unescaped line break manager:1241:55
Uncaught SyntaxError: expected expression, got '<' manager:1317:11