Erro GEISOR

Olá,

Recentemente, baixei o Geisor Ferobra + Baiak Thunder do @Movie, e me deparei com um erro que foi solucionado removendo a parte de expstages do config.lua. Porém apareceu outros erros...
 

Deprecated: Return type of Database::beginTransaction() should either be compatible with PDO::beginTransaction(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 114

Deprecated: Return type of Database::commit() should either be compatible with PDO::commit(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 122

Deprecated: Return type of Database::errorCode() should either be compatible with PDO::errorCode(): ?string, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 130

Deprecated: Return type of Database::errorInfo() should either be compatible with PDO::errorInfo(): array, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 138

Deprecated: Return type of Database::exec($statement) should either be compatible with PDO::exec(string $statement): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 146

Deprecated: Return type of Database::getAttribute($attribute) should either be compatible with PDO::getAttribute(int $attribute): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 154

Deprecated: Return type of Database::getAvailableDrivers() should either be compatible with PDO::getAvailableDrivers(): array, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 162

Deprecated: Return type of Database::inTransaction() should either be compatible with PDO::inTransaction(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 170

Deprecated: Return type of Database::lastInsertId($name = null) should either be compatible with PDO::lastInsertId(?string $name = null): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 178

Deprecated: Return type of Database::prepare($statement, $driver_options = []) should either be compatible with PDO::prepare(string $query, array $options = []): PDOStatement|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/www/classes/database.php on line 186

Fatal error: Declaration of Database::query($statement) must be compatible with PDO::query(string $query, ?int $fetchMode = null, mixed ...$fetchModeArgs): PDOStatement|false in /home/www/classes/database.php on line 194

Alguém poderia me auxiliar ou me dizer como posso está solucionando ???
Não tenho muito conhecimento, porém fiz uma longa pesquisa e não achei muita coisa relacionada, apenas situações diferentes.