"Your requirements could not be resolved to an installable set of packages." trying to install from plugin store about craft-async-queue HOT 4 CLOSED

Problem 1
    - symfony/process v4.3.1 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.3.0 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.9 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.8 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.7 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.6 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.5 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.4 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.3 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.2 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.1 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - symfony/process v4.2.0 requires php ^7.1.3 -> your PHP version (7.1.30) overridden by "config.platform.php" version (7.0) does not satisfy that requirement.
    - ostark/craft-async-queue 2.0.0 requires symfony/process ^4.2.0 -> satisfiable by symfony/process[v4.2.0, v4.2.1, v4.2.2, v4.2.3, v4.2.4, v4.2.5, v4.2.6, v4.2.7, v4.2.8, v4.2.9, v4.3.0, v4.3.1].
    - Installation request for ostark/craft-async-queue ^2.0.0 -> satisfiable by ostark/craft-async-queue[2.0.0].

"platform": {
   "php": "7.0"
}