src/Docker/DockerActionManager.php:888:57: InvalidReturnType: The declared return type 'null|string' for AIO\Docker\DockerActionManager::GetCreatedTimeOfNextcloudImage is incorrect, got 'array<array-key, string>|null|string' (see https://psalm.dev/011)

src/Docker/DockerActionManager.php:899:20: InvalidReturnStatement: The inferred type 'array<array-key, string>|string' does not match the declared return type 'null|string' for AIO\Docker\DockerActionManager::GetCreatedTimeOfNextcloudImage (see https://psalm.dev/128)