{"record":{"id":"22ca7159b5d89d70","repo":"wasmerio/wasmer","slug":"no-backend-available","errorCode":null,"errorMessage":"No backend available","messagePattern":"No backend available","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"lib/api/src/entities/function/host/imp.rs","lineNumber":59,"sourceCode":"\n            #[cfg(feature = \"sys\")]\n            fn function_callback_sys(&self) -> crate::vm::VMFunctionCallback {\n                paste::paste! {\n                    crate::vm::VMFunctionCallback::Sys(crate::backend::sys::function::[<gen_fn_callback_ $c_struct_name:lower >](self))\n                }\n            }\n\n            #[allow(non_snake_case)]\n            fn call_trampoline_address() -> crate::vm::VMTrampoline {\n                paste::paste! {\n                    #[cfg(feature = \"sys\")]\n                    {\n                        crate::vm::VMTrampoline::Sys(crate::backend::sys::function::[<gen_call_trampoline_address_ $c_struct_name:lower >]::<$($x,)* Rets>())\n                    }\n\n                    #[cfg(not(feature = \"sys\"))]\n                    {\n                        unimplemented!(\"No backend available\")\n                    }\n                }\n            }\n        }\n\n        // Implement `HostFunction` for a function that has the same arity than the tuple.\n        #[allow(unused_parens)]\n        impl< $( $x, )* Rets, RetsAsResult, Func >\n            crate::HostFunction<(), ( $( $x ),* ), Rets, WithoutEnv>\n        for\n            Func\n        where\n            $( $x: FromToNativeWasmType, )*\n            Rets: WasmTypeList,\n            RetsAsResult: IntoResult<Rets>,\n            Func: Fn($( $x , )*) -> RetsAsResult + 'static\n        {\n            #[allow(non_snake_case)]","sourceCodeStart":41,"sourceCodeEnd":77,"githubUrl":"https://github.com/wasmerio/wasmer/blob/8c4b9ee9d33fb2068863fbb3d328683e7e6ff7f5/lib/api/src/entities/function/host/imp.rs#L41-L77","documentation":"Error \"No backend available\" thrown in wasmerio/wasmer.","triggerScenarios":"Thrown at lib/api/src/entities/function/host/imp.rs:59 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":"8c4b9ee9d33fb2068863fbb3d328683e7e6ff7f5","analyzedAt":"2026-09-01T23:06:31.009Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-09T06:17:21.866Z"}