{"record":{"id":"1269a181f670a7c5","repo":"clockworklabs/SpacetimeDB","slug":"table-tablename-defines-a-schedule-but-it-does","errorCode":null,"errorMessage":"Table ${tableName} defines a schedule, but it does not have a ScheduleAt column.","messagePattern":"Table (.+?) defines a schedule, but it does not have a ScheduleAt column\\.","errorType":"exception","errorClass":"TypeError","httpStatus":null,"severity":"error","filePath":"crates/bindings-typescript/src/server/schema.ts","lineNumber":177,"sourceCode":"      let tableName = knownTableName;\n      if (tableName === undefined) {\n        const tableNames = this.tableSourceNames.get(table);\n        if (tableNames !== undefined && tableNames.length > 1) {\n          throw new TypeError(\n            'Schedule target table is registered more than once in this schema. Use a distinct table handle for each scheduled table.'\n          );\n        }\n        tableName = tableNames?.[0];\n      }\n      if (tableName === undefined) {\n        throw new TypeError(\n          'Schedule target table is not part of this schema.'\n        );\n      }\n\n      const scheduleAtCol = knownScheduleAtCol ?? table.scheduleAtCol;\n      if (scheduleAtCol === undefined) {\n        throw new TypeError(\n          `Table ${tableName} defines a schedule, but it does not have a ScheduleAt column.`\n        );\n      }\n\n      const functionName =\n        knownFunctionName ??\n        (reducer === undefined\n          ? undefined\n          : this.functionExports.get(reducer()));\n      if (functionName === undefined) {\n        const msg = `Table ${tableName} defines a schedule, but it seems like the associated function was not exported.`;\n        throw new TypeError(msg);\n      }\n      const existingFunctionName = scheduledTables.get(tableName);\n      if (existingFunctionName !== undefined) {\n        throw new TypeError(\n          `Table ${tableName} defines multiple schedules: ${existingFunctionName} and ${functionName}. A schedule table can only be used by one reducer or procedure.`\n        );","sourceCodeStart":159,"sourceCodeEnd":195,"githubUrl":"https://github.com/clockworklabs/SpacetimeDB/blob/524b4487d949b61a07d4f39c862d1290259dfd20/crates/bindings-typescript/src/server/schema.ts#L159-L195","documentation":"Error \"Table ${tableName} defines a schedule, but it does not have a ScheduleAt column.\" thrown in clockworklabs/SpacetimeDB.","triggerScenarios":"Thrown at crates/bindings-typescript/src/server/schema.ts:177 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":"524b4487d949b61a07d4f39c862d1290259dfd20","analyzedAt":"2026-08-16T23:58:54.611Z","schemaVersion":2},"datasetVersion":"2026-08-17T04:17:16.089Z"}