{"record":{"id":"d1ddb4140b2f3681","repo":"flxzt/rnote","slug":"generating-svg-for-page-i-failed-returned-none","errorCode":null,"errorMessage":"Generating Svg for page {i} failed, returned None.","messagePattern":"Generating Svg for page (.+?) failed, returned None\\.","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"crates/rnote-engine/src/engine/export.rs","lineNumber":716,"sourceCode":"        let (oneshot_sender, oneshot_receiver) = oneshot::channel::<anyhow::Result<Vec<Vec<u8>>>>();\n        let doc_pages_export_prefs = doc_pages_export_prefs_override\n            .unwrap_or(self.config.read().export_prefs.doc_pages_export_prefs);\n        let pages_content = self.extract_pages_content(doc_pages_export_prefs.page_order);\n\n        rayon::spawn(move || {\n            let result = || -> anyhow::Result<Vec<Vec<u8>>> {\n                pages_content\n                    .into_par_iter()\n                    .enumerate()\n                    .map(|(i, page_content)| {\n                        let page_svg = page_content\n                            .gen_svg(\n                                doc_pages_export_prefs.with_background,\n                                doc_pages_export_prefs.with_pattern,\n                                doc_pages_export_prefs.optimize_printing,\n                                DocPagesExportPrefs::MARGIN,\n                            )?\n                            .ok_or(anyhow::anyhow!(\n                                \"Generating Svg for page {i} failed, returned None.\"\n                            ))?;\n                        Ok(rnote_compose::utils::add_xml_header(\n                            rnote_compose::utils::wrap_svg_root(\n                                page_svg.svg_data.as_str(),\n                                Some(page_svg.bounds),\n                                Some(page_svg.bounds),\n                                false,\n                            )\n                            .as_str(),\n                        )\n                        .into_bytes())\n                    })\n                    .collect()\n            };\n\n            if oneshot_sender.send(result()).is_err() {\n                error!(","sourceCodeStart":698,"sourceCodeEnd":734,"githubUrl":"https://github.com/flxzt/rnote/blob/bbc5354502ba2fc83eec2670b535348825e679a6/crates/rnote-engine/src/engine/export.rs#L698-L734","documentation":"Guard in export_doc_pages_as_bitmap_bytes: the DocPagesExportPrefs export format is set to a non-bitmap (Svg) variant, so bitmap export cannot proceed. Documented contract: this function errors unless the format pref is a bitmap variant (Png/Jpeg).","triggerScenarios":"Thrown at crates/rnote-engine/src/engine/export.rs:716 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Set doc_pages_export_prefs export format to Png or Jpeg before calling.","Use export_doc_pages_as_svgs_bytes instead when a vector export is intended.","When overriding prefs, pass DocPagesExportPrefs with a bitmap export_format."],"exampleFix":null,"handlingStrategy":"validation","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"bbc5354502ba2fc83eec2670b535348825e679a6","analyzedAt":"2026-09-08T13:20:33.747Z","contentChangedAt":"2026-09-08T13:20:33.747Z","schemaVersion":2},"datasetVersion":"2026-09-16T09:17:16.951Z"}