$this->sqlStatements of type string[] is incompatible with the type string expected by parameter $query of Doctrine\DBAL\Connection::executeQuery().
(
Ignorable by Annotation
)
If this is a false-positive, you can also ignore this issue in your code via the ignore-type annotation
The expression return $conn->executeQue...his->queryCacheProfile) also could return the type Doctrine\DBAL\Driver\ResultStatement which includes types incompatible with the return type mandated by Doctrine\ORM\Query\Exec\...tSqlExecutor::execute() of Doctrine\DBAL\Driver\Statement. Consider adding a type-check to rule them out.
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..