{"record":{"id":"a8c029c2440537cc","repo":"earendil-works/pi","slug":"invalid-lane-a8c029","errorCode":"invalid_lane","errorMessage":"Lane not found: ${lane}","messagePattern":"Lane not found: (.+?)","errorType":"exception","errorClass":"SessionError","httpStatus":null,"severity":"error","filePath":"packages/session-backends/sqlite-node/src/sqlite/storage/lanes.ts","lineNumber":66,"sourceCode":"\nexport function readLane(db: SqliteDatabase, sessionId: string, lane: string) {\n\treturn sql`SELECT session_id, lane, leaf_id, open_operation_id\n\t\tFROM lanes\n\t\tWHERE session_id = ${sessionId} AND lane = ${lane}`.get<LaneRow>(db);\n}\n\nexport function readLaneHead(db: SqliteDatabase, sessionId: string, lane: string) {\n\tconst row = sql`SELECT\n\t\t\tl.leaf_id,\n\t\t\t(l.leaf_id IS NULL OR EXISTS (\n\t\t\t\tSELECT 1 FROM entries AS e WHERE e.session_id = l.session_id AND e.id = l.leaf_id\n\t\t\t)) AS leaf_exists\n\t\tFROM lanes AS l\n\t\tWHERE l.session_id = ${sessionId} AND l.lane = ${lane}`.get<{\n\t\tleaf_id: string | null;\n\t\tleaf_exists: number;\n\t}>(db);\n\tif (!row) throw new SessionError(\"invalid_lane\", `Lane not found: ${lane}`);\n\tif (row.leaf_exists === 0) throw new SessionError(\"storage\", `Entry ${row.leaf_id} not found`);\n\treturn { leafId: row.leaf_id };\n}\n\nexport function createLane(db: SqliteDatabase, sessionId: string, seq: number, lane: string, leafId: string | null) {\n\tsql`INSERT INTO lanes (session_id, lane, leaf_id, open_operation_id)\n\t\tVALUES (${sessionId}, ${lane}, ${leafId}, NULL)`.run(db);\n\tappendLaneMove(db, sessionId, seq, lane, leafId);\n}\n\nexport function moveLane(db: SqliteDatabase, sessionId: string, seq: number, lane: string, leafId: string | null) {\n\tconst result = sql`UPDATE lanes SET leaf_id = ${leafId} WHERE session_id = ${sessionId} AND lane = ${lane}`.run(db);\n\tif (result.changes !== 1) throw new SessionError(\"invalid_lane\", `Lane not found: ${lane}`);\n\tappendLaneMove(db, sessionId, seq, lane, leafId);\n}\n\nexport function setLaneLeaf(db: SqliteDatabase, sessionId: string, lane: string, leafId: string | null) {\n\tconst result = sql`UPDATE lanes SET leaf_id = ${leafId} WHERE session_id = ${sessionId} AND lane = ${lane}`.run(db);","sourceCodeStart":48,"sourceCodeEnd":84,"githubUrl":"https://github.com/earendil-works/pi/blob/4af9d21d3b4d664e4a29fcabfec85171077248e3/packages/session-backends/sqlite-node/src/sqlite/storage/lanes.ts#L48-L84","documentation":"Error \"Lane not found: ${lane}\" thrown in earendil-works/pi.","triggerScenarios":"Thrown at packages/session-backends/sqlite-node/src/sqlite/storage/lanes.ts:66 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["The lane does not exist; verify the lane name."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"4af9d21d3b4d664e4a29fcabfec85171077248e3","analyzedAt":"2026-08-24T13:07:14.692Z","schemaVersion":2},"datasetVersion":"2026-08-24T17:17:21.512Z"}