{"record":{"id":"040bae038c9ae28e","repo":"medusajs/medusa","slug":"indexmodule-error-unable-to-parse-data-for-sche","errorCode":null,"errorMessage":"IndexModule error, unable to parse data for ${schemaEntityObjectRepresentation.entity}. The parent schema object representation could not be found for the alias ${parentAlias} for the entity ${schemaEntityObjectRepresentation.entity}.","messagePattern":"IndexModule error, unable to parse data for (.+?)\\. The parent schema object representation could not be found for the alias (.+?) for the entity (.+?)\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"critical","filePath":"packages/modules/index/src/services/postgres-provider.ts","lineNumber":129,"sourceCode":"\n    // Always keep the id in the entity properties\n    const entityProperties: string[] = [\"id\"]\n    const parentsProperties: { [entity: string]: string[] } = {}\n\n    /**\n     * Split fields into entity properties and parents properties\n     */\n\n    schemaEntityObjectRepresentation.fields.forEach((field) => {\n      if (field.includes(\".\")) {\n        const parentAlias = field.split(\".\")[0]\n        const parentSchemaObjectRepresentation =\n          schemaEntityObjectRepresentation.parents.find(\n            (parent) => parent.inverseSideProp === parentAlias\n          )\n\n        if (!parentSchemaObjectRepresentation) {\n          throw new Error(\n            `IndexModule error, unable to parse data for ${schemaEntityObjectRepresentation.entity}. The parent schema object representation could not be found for the alias ${parentAlias} for the entity ${schemaEntityObjectRepresentation.entity}.`\n          )\n        }\n\n        parentsProperties[parentSchemaObjectRepresentation.ref.entity] ??= []\n        parentsProperties[parentSchemaObjectRepresentation.ref.entity].push(\n          field\n        )\n      } else {\n        entityProperties.push(field)\n      }\n    })\n\n    return {\n      data: data_,\n      entityProperties,\n      parentsProperties,\n    }","sourceCodeStart":111,"sourceCodeEnd":147,"githubUrl":"https://github.com/medusajs/medusa/blob/5e06e544a296b9033f20f71f11c559f81a0e5739/packages/modules/index/src/services/postgres-provider.ts#L111-L147","documentation":"When the index module parses incoming data for an entity that has parent relations, it looks up the parent schema object representation by the parent alias (inverseSideProp). If the schema object representation contains a parent alias with no matching entry, this internal configuration error is thrown.","triggerScenarios":"Misconfigured or inconsistent index schema configuration: an entity declares a parent/alias pair (inverseSideProp) that does not exist in the parsed object representation — typically after customizing the index schema or a version mismatch between modules and index config.","commonSituations":"Custom index module configuration with wrong aliases; upgrading Medusa where relation naming changed but the config wasn't regenerated.","solutions":["Verify the index schema configuration's relation/alias (inverseSideProp) values match the actual module links","Regenerate/revert to the default schema configuration","Align module and index package versions"],"exampleFix":null,"handlingStrategy":"validation","validationCode":"const aliases = new Set(entityRep.parents.map((p) => p.inverseSideProp))\nfor (const alias of incomingAliases) if (!aliases.has(alias)) throw new Error(`Unknown parent alias: ${alias}`)","typeGuard":null,"tryCatchPattern":"catch (e) { if (/parent schema object representation could not be found/.test(e.message)) { /* regenerate index schema config and full sync */ } }","preventionTips":["Keep index schema aliases in sync with module link definitions","Avoid hand-editing inverseSideProp values"],"tags":["index","schema","configuration","internal"],"backgroundTag":"schema-configuration-mismatch","analyzedSha":"5e06e544a296b9033f20f71f11c559f81a0e5739","analyzedAt":"2026-08-27T07:24:39.599Z","schemaVersion":2},"datasetVersion":"2026-08-27T08:17:20.692Z"}