Deprecated: Symfony\Component\String\CodePointString::slice(): Implicitly marking parameter $length as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\BookStack\vendor\symfony\string\CodePointString.php on line 189

Deprecated: Symfony\Component\String\CodePointString::splice(): Implicitly marking parameter $length as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\BookStack\vendor\symfony\string\CodePointString.php on line 197

Deprecated: Symfony\Component\String\CodePointString::split(): Implicitly marking parameter $limit as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\BookStack\vendor\symfony\string\CodePointString.php on line 211

Deprecated: Symfony\Component\String\CodePointString::split(): Implicitly marking parameter $flags as nullable is deprecated, the explicit nullable type must be used instead in C:\Apache24\htdocs\BookStack\vendor\symfony\string\CodePointString.php on line 211

Fatal error: Uncaught Error: Class "Symfony\Component\String\AbstractUnicodeString" not found in C:\Apache24\htdocs\BookStack\vendor\symfony\string\CodePointString.php:25 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\BookStack\vendor\symfony\string\CodePointString.php on line 25