{"id":163494,"date":"2026-06-09T19:40:13","date_gmt":"2026-06-09T16:40:13","guid":{"rendered":"https:\/\/vpesports.com\/minecraft\/mods\/uwrad\/"},"modified":"2026-06-09T19:40:13","modified_gmt":"2026-06-09T16:40:13","slug":"uwrad","status":"publish","type":"mod","link":"https:\/\/vpesports.com\/minecraft\/mods\/uwrad\/","title":{"rendered":"Unsafe World Random Access Detector"},"content":{"rendered":"

# Unsafe World Random Access Detector<\/p>\n

This is a mod that detects unsafe off-thread world random access,
\nhelping to find causes of “Accessing LegacyRandomSource from multiple threads” crash.<\/p>\n

This is useful for finding the cause of mysterious crashes with `Accessing LegacyRandomSource from multiple threads`.
\nThis is **not** a fix for the issue, but it will help you find the cause of the issue.<\/p>\n

![Example](https:\/\/cdn-raw.modrinth.com\/data\/MsGuTgPJ\/images\/fe2cfcfd5ba9fe881216f1e6cfc412b3bf56e50d.png)<\/p>\n

Note: If you are already using C2ME, this mod is not needed (but won’t crash if used together anyway).<\/p>\n","protected":false},"excerpt":{"rendered":"

This is a mod that detects unsafe off-thread world random access, helping to find causes of “Accessing LegacyRandomSource from multiple threads” crash.<\/p>\n","protected":false},"featured_media":163495,"template":"","meta":{"_minecraft_slug":"uwrad","_minecraft_project_id":"MsGuTgPJ","_minecraft_author":"ishland","_minecraft_license":"MIT","_minecraft_downloads":1242887,"_minecraft_follows":46,"_minecraft_client_side":"optional","_minecraft_server_side":"optional","_minecraft_storage_type":"zip","_minecraft_archive_name":"uwrad.zip","_minecraft_size_bytes":119528,"_minecraft_version_count":7,"_minecraft_updated_at":"2026-05-16T12:21:16.456220Z","_minecraft_date_created":"2023-02-04T19:37:23.151507Z","_minecraft_date_modified":"2026-03-24T13:52:24.599164Z","_minecraft_project_url":"https:\/\/modrinth.com\/mod\/uwrad","_minecraft_icon_attachment_id":163495,"_minecraft_imported_at":"2026-06-09T16:40:13+00:00","_minecraft_import_hash":"df40cce59c012f9e18a24fb5a684adb3","_minecraft_versions":"","_minecraft_links":"","_minecraft_gallery":"","_minecraft_api_metadata":""},"mod_category":[97,104,158,92],"mod_loader":[99,106,160],"minecraft_version":[54,55,56,57,58,59,36,60,93,94,101,102,62,37,40,41,73,74,38,78,79,80,81,82,83,832,167,163],"class_list":["post-163494","mod","type-mod","status-publish","has-post-thumbnail","hentry","mod_category-fabric","mod_category-forge","mod_category-neoforge","mod_category-utility","mod_loader-fabric","mod_loader-forge","mod_loader-neoforge","minecraft_version-1-19","minecraft_version-1-19-1","minecraft_version-1-19-2","minecraft_version-1-19-3","minecraft_version-1-19-4","minecraft_version-1-20","minecraft_version-1-20-1","minecraft_version-1-20-2","minecraft_version-1-20-3","minecraft_version-1-20-4","minecraft_version-1-20-5","minecraft_version-1-20-6","minecraft_version-1-21","minecraft_version-1-21-1","minecraft_version-1-21-10","minecraft_version-1-21-11","minecraft_version-1-21-2","minecraft_version-1-21-3","minecraft_version-1-21-4","minecraft_version-1-21-5","minecraft_version-1-21-6","minecraft_version-1-21-7","minecraft_version-1-21-8","minecraft_version-1-21-9","minecraft_version-26-1","minecraft_version-26-1-rc-3","minecraft_version-26-1-1","minecraft_version-26-1-2"],"yoast_head":"\nUnsafe World Random Access Detector - 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