{"record":{"id":"6abe434a63e7d2d0","repo":"astral-sh/uv","slug":"is-missing-a-valid-environment-run-to-r","errorCode":null,"errorMessage":"`{}` is missing a valid environment; run `{}` to reinstall","messagePattern":"`(.+?)` is missing a valid environment; run `(.+?)` to reinstall","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"crates/uv/src/commands/tool/upgrade.rs","lineNumber":313,"sourceCode":"                name.cyan(),\n                install_command.green()\n            ));\n        }\n    };\n\n    let environment = match installed_tools.get_environment(name, cache) {\n        Ok(Some(environment)) => environment,\n        Ok(None) => {\n            let install_command = format!(\"uv tool install {name}\");\n            return Err(anyhow::anyhow!(\n                \"`{}` is not installed; run `{}` to install\",\n                name.cyan(),\n                install_command.green()\n            ));\n        }\n        Err(_) => {\n            let install_command = format!(\"uv tool install --force {name}\");\n            return Err(anyhow::anyhow!(\n                \"`{}` is missing a valid environment; run `{}` to reinstall\",\n                name.cyan(),\n                install_command.green()\n            ));\n        }\n    };\n\n    // Resolve the appropriate settings, preferring: CLI > receipt > user.\n    let options = args.clone().combine(\n        ResolverInstallerOptions::from(existing_tool_receipt.options().clone())\n            .combine(filesystem.clone()),\n    );\n    let settings = ResolverInstallerSettings::from(options.clone());\n\n    let build_constraint_requirements = existing_tool_receipt.build_constraints().to_vec();\n    let build_constraints =\n        Constraints::from_requirements(build_constraint_requirements.iter().cloned());\n    let manifest_constraints = existing_tool_receipt","sourceCodeStart":295,"sourceCodeEnd":331,"githubUrl":"https://github.com/astral-sh/uv/blob/f1a42680ff5272232d65748acf338b19778dde24/crates/uv/src/commands/tool/upgrade.rs#L295-L331","documentation":"Error \"`{}` is missing a valid environment; run `{}` to reinstall\" thrown in astral-sh/uv.","triggerScenarios":"Thrown at crates/uv/src/commands/tool/upgrade.rs:313 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"f1a42680ff5272232d65748acf338b19778dde24","analyzedAt":"2026-08-16T04:51:47.599Z","schemaVersion":2},"datasetVersion":"2026-08-16T08:17:34.114Z"}