{"record":{"id":"f52b59522fad6630","repo":"earendil-works/pi","slug":"invalid-entry-id-for-forking","errorCode":null,"errorMessage":"Invalid entry ID for forking","messagePattern":"Invalid entry ID for forking","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/coding-agent/src/core/agent-session-runtime.ts","lineNumber":276,"sourceCode":"\t\tawait this.finishSessionReplacement(options?.withSession);\n\t\treturn { cancelled: false };\n\t}\n\n\tasync fork(\n\t\tentryId: string,\n\t\toptions?: { position?: \"before\" | \"at\"; withSession?: (ctx: ReplacedSessionContext) => Promise<void> },\n\t): Promise<{ cancelled: boolean; selectedText?: string }> {\n\t\tconst position = options?.position ?? \"before\";\n\t\tconst beforeResult = await this.emitBeforeFork(entryId, { position });\n\t\tif (beforeResult.cancelled) {\n\t\t\treturn { cancelled: true };\n\t\t}\n\t\tlet targetLeafId: string | null;\n\t\tlet selectedText: string | undefined;\n\n\t\tconst selectedEntry = this.session.sessionManager.getEntry(entryId);\n\t\tif (!selectedEntry) {\n\t\t\tthrow new Error(\"Invalid entry ID for forking\");\n\t\t}\n\n\t\tif (position === \"at\") {\n\t\t\ttargetLeafId = selectedEntry.id;\n\t\t} else {\n\t\t\tif (selectedEntry.type !== \"message\" || selectedEntry.message.role !== \"user\") {\n\t\t\t\tthrow new Error(\"Invalid entry ID for forking\");\n\t\t\t}\n\t\t\ttargetLeafId = selectedEntry.parentId;\n\t\t\tselectedText = extractUserMessageText(selectedEntry.message.content);\n\t\t}\n\n\t\tconst previousSessionFile = this.session.sessionFile;\n\t\tif (this.session.sessionManager.isPersisted()) {\n\t\t\tconst currentSessionFile = this.session.sessionFile;\n\t\t\tif (!currentSessionFile) {\n\t\t\t\tthrow new Error(\"Persisted session is missing a session file\");\n\t\t\t}","sourceCodeStart":258,"sourceCodeEnd":294,"githubUrl":"https://github.com/earendil-works/pi/blob/4af9d21d3b4d664e4a29fcabfec85171077248e3/packages/coding-agent/src/core/agent-session-runtime.ts#L258-L294","documentation":"Error \"Invalid entry ID for forking\" thrown in earendil-works/pi.","triggerScenarios":"Thrown at packages/coding-agent/src/core/agent-session-runtime.ts:276 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":"4af9d21d3b4d664e4a29fcabfec85171077248e3","analyzedAt":"2026-08-24T13:07:14.692Z","schemaVersion":2},"datasetVersion":"2026-08-24T17:17:21.512Z"}