{"record":{"id":"a4ae947c114e5b56","repo":"n8n-io/n8n","slug":"cannot-convert-to-number","errorCode":null,"errorMessage":"cannot convert to number","messagePattern":"cannot convert to number","errorType":"exception","errorClass":"ExpressionExtensionError","httpStatus":null,"severity":"error","filePath":"packages/@n8n/expression-runtime/src/extensions/string-extensions.ts","lineNumber":260,"sourceCode":"function toFloat(value: string) {\n\tif (value.includes(',')) {\n\t\tthrow new ExpressionExtensionError('cannot convert to float, expected . as decimal separator');\n\t}\n\n\tconst float = parseFloat(value.replace(CURRENCY_REGEXP, ''));\n\n\tif (isNaN(float)) {\n\t\tthrow new ExpressionExtensionError('cannot convert to float');\n\t}\n\n\treturn float;\n}\n\nfunction toNumber(value: string) {\n\tconst num = Number(value.replace(CURRENCY_REGEXP, ''));\n\n\tif (isNaN(num)) {\n\t\tthrow new ExpressionExtensionError('cannot convert to number');\n\t}\n\n\treturn num;\n}\n\nfunction quote(value: string, extraArgs: string[]) {\n\tconst [quoteChar = '\"'] = extraArgs;\n\treturn `${quoteChar}${value\n\t\t.replace(/\\\\/g, '\\\\\\\\')\n\t\t.replace(new RegExp(`\\\\${quoteChar}`, 'g'), `\\\\${quoteChar}`)}${quoteChar}`;\n}\n\nfunction isNumeric(value: string) {\n\tif (value.includes(' ')) return false;\n\n\treturn !isNaN(value as unknown as number) && !isNaN(parseFloat(value));\n}\n","sourceCodeStart":242,"sourceCodeEnd":278,"githubUrl":"https://github.com/n8n-io/n8n/blob/5ac6606e81f67bb9534255570cd4e86fd8101eee/packages/@n8n/expression-runtime/src/extensions/string-extensions.ts#L242-L278","documentation":"Error \"cannot convert to number\" thrown in n8n-io/n8n.","triggerScenarios":"Thrown at packages/@n8n/expression-runtime/src/extensions/string-extensions.ts:260 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":"5ac6606e81f67bb9534255570cd4e86fd8101eee","analyzedAt":"2026-08-12T05:26:35.080Z","schemaVersion":2},"datasetVersion":"2026-08-12T13:17:24.610Z"}