Parse error: syntax error, unexpected ':', expecting '{' in /home/mostrarm/public_html/vendor/symfony/polyfill-php80/bootstrap.php on line 23

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/mostrarm/public_html/vendor/symfony/polyfill-php80/bootstrap.php:23)

Filename: core/Common.php

Line Number: 564

Backtrace:

A PHP Error was encountered

Severity: Parsing Error

Message: syntax error, unexpected ':', expecting '{'

Filename: polyfill-php80/bootstrap.php

Line Number: 23

Backtrace: