HI,
Same issue here.
BCMath is NOT installed by default. Weird.
Loaded Core date libxml openssl pcre zlib filter hash json pcntl readline Reflection SPL session standard bz2 calendar ctype curl dom mbstring fileinfo ftp gd gettext gmp iconv imap intl ldap exif mysqlnd PDO Phar posix shmop SimpleXML sockets sqlite3 sysvmsg sysvsem sysvshm tokenizer xml xmlwriter xsl mysqli pdo_mysql pdo_sqlite xmlreader Zend OPcache
It's a fresh aaPanel installationg on CentOS7.
Tried both php8 and php 8.1
