Caso o comando "vendor\bin\doctrine.bat orm:schema-tool:create" tenha dado o seguinte erro:
In ToolsException.php line 34:
Schema-Tool failed with Error 'An exception occurred in driver: SQLSTATE[HY000] [14] unable to open database file'
while executing DDL: CREATE TABLE Aluno (id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, nome INTEGER NOT NULL)
In AbstractSQLiteDriver.php line 83:
An exception occurred in driver: SQLSTATE[HY000] [14] unable to open database file
In Exception.php line 18:
SQLSTATE[HY000] [14] unable to open database file
In PDOConnection.php line 38:
SQLSTATE[HY000] [14] unable to open database file
Coloque a pasta "var" no mesmo nível que a pasta src, que o problema será resolvido