After activation plugin We get error

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PHP Fatal error: Uncaught S3_Media_Sync\Exceptions\Invalid_Bucket_Exception: Bucket name cannot be empty in D:\xampp82\htdocs\review\wp-content\plugins\s3-media-sync\inc\value-objects\class-s3-bucket.php:208
Stack trace:
#0 D:\xampp82\htdocs\review\wp-content\plugins\s3-media-sync\inc\value-objects\class-s3-bucket.php(59): S3_Media_Sync\Value_Objects\S3_Bucket->validate_name('')
#1 D:\xampp82\htdocs\review\wp-content\plugins\s3-media-sync\inc\value-objects\class-s3-bucket.php(86): S3_Media_Sync\Value_Objects\S3_Bucket->__construct('', '', Object(S3_Media_Sync\Value_Objects\Region), true, 'public-read')
#2 D:\xampp82\htdocs\review\wp-content\plugins\s3-media-sync\inc\class-s3-media-sync-tester.php(48): S3_Media_Sync\Value_Objects\S3_Bucket::from_settings(Array)
#3 D:\xampp82\htdocs\review\wp-content\plugins\s3-media-sync\s3-media-sync.php(30): S3_Media_Sync_Tester->__construct(Array)
#4 D:\xampp82\htdocs\review\wp-includes\class-wp-hook.php(324): {closure}('')
#5 D:\xampp82\htdocs\review\wp-includes\class-wp-hook.php(348): WP_Hook->apply_filters(Object(Redirection), Array)
#6 D:\xampp82\htdocs\review\wp-includes\plugin.php(517): WP_Hook->do_action(Array)
#7 D:\xampp82\htdocs\review\wp-settings.php(578): do_action('plugins_loaded')
#8 D:\xampp82\htdocs\review\wp-config.php(119): require_once('D:\\xampp82\\htdo...')
#9 D:\xampp82\htdocs\review\wp-load.php(50): require_once('D:\\xampp82\\htdo...')
#10 D:\xampp82\htdocs\review\wp-blog-header.php(13): require_once('D:\\xampp82\\htdo...')
#11 D:\xampp82\htdocs\review\index.php(17): require('D:\\xampp82\\htdo...')
#12 {main}

can't open setting page

Start with inc/value-objects/class-s3-bucket.php, especially validate_name(), from_settings(), and the constructor call shown in the stack trace. Then read inc/class-s3-media-sync-tester.php and s3-media-sync.php to follow activation and settings loading. Done means the activation path no longer produces the reported fatal error and the settings page can be opened.

Written by the indexing model from the issue text.