{"record":{"id":"9e36d4c0117f1a24","repo":"chroma-core/chroma","slug":"notfounderror-9e36d4","errorCode":"NotFoundError","errorMessage":"Database {name} not found for tenant {tenant}. Are you sure it exists?","messagePattern":"Database (.+?) not found for tenant (.+?)\\. Are you sure it exists\\?","errorType":"exception","errorClass":"NotFoundError","httpStatus":404,"severity":"error","filePath":"chromadb/db/mixins/sysdb.py","lineNumber":111,"sourceCode":"                raise UniqueConstraintError(\n                    f\"Database {name} already exists for tenant {tenant}\"\n                ) from e\n\n    @override\n    def get_database(self, name: str, tenant: str = DEFAULT_TENANT) -> Database:\n        with self.tx() as cur:\n            databases = Table(\"databases\")\n            q = (\n                self.querybuilder()\n                .from_(databases)\n                .select(databases.id, databases.name)\n                .where(databases.name == ParameterValue(name))\n                .where(databases.tenant_id == ParameterValue(tenant))\n            )\n            sql, params = get_sql(q, self.parameter_format())\n            row = cur.execute(sql, params).fetchone()\n            if not row:\n                raise NotFoundError(\n                    f\"Database {name} not found for tenant {tenant}. Are you sure it exists?\"\n                )\n            if row[0] is None:\n                raise NotFoundError(\n                    f\"Database {name} not found for tenant {tenant}. Are you sure it exists?\"\n                )\n            id: UUID = cast(UUID, self.uuid_from_db(row[0]))\n            return Database(\n                id=id,\n                name=row[1],\n                tenant=tenant,\n            )\n\n    @override\n    def delete_database(self, name: str, tenant: str = DEFAULT_TENANT) -> None:\n        with self.tx() as cur:\n            databases = Table(\"databases\")\n            q = (","sourceCodeStart":93,"sourceCodeEnd":129,"githubUrl":"https://github.com/chroma-core/chroma/blob/aecdd12c8a891610db8653630b066b32ceb678b5/chromadb/db/mixins/sysdb.py#L93-L129","documentation":"Error \"Database {name} not found for tenant {tenant}. Are you sure it exists?\" thrown in chroma-core/chroma.","triggerScenarios":"Thrown at chromadb/db/mixins/sysdb.py:111 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":"aecdd12c8a891610db8653630b066b32ceb678b5","analyzedAt":"2026-08-16T21:53:27.228Z","schemaVersion":2},"datasetVersion":"2026-08-16T23:17:17.608Z"}