{"record":{"id":"965c9e7b101f5d05","repo":"earendil-works/pi","slug":"failed-to-create-forked-session","errorCode":null,"errorMessage":"Failed to create forked session","messagePattern":"Failed to create forked session","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/coding-agent/src/core/agent-session-runtime.ts","lineNumber":320,"sourceCode":"\t\t\t\t\t\tcwd: this.cwd,\n\t\t\t\t\t\tagentDir: this.services.agentDir,\n\t\t\t\t\t\tsessionManager,\n\t\t\t\t\t\tsessionStartEvent: { type: \"session_start\", reason: \"fork\", previousSessionFile },\n\t\t\t\t\t}),\n\t\t\t\t);\n\t\t\t\tawait this.finishSessionReplacement(options?.withSession);\n\t\t\t\treturn { cancelled: false, selectedText };\n\t\t\t}\n\n\t\t\tif (!existsSync(currentSessionFile)) {\n\t\t\t\tthrow new Error(\n\t\t\t\t\t\"This session has not been saved yet. Wait for the first assistant response before cloning or forking it.\",\n\t\t\t\t);\n\t\t\t}\n\t\t\tconst sessionManager = SessionManager.open(currentSessionFile, sessionDir);\n\t\t\tconst forkedSessionPath = sessionManager.createBranchedSession(targetLeafId);\n\t\t\tif (!forkedSessionPath) {\n\t\t\t\tthrow new Error(\"Failed to create forked session\");\n\t\t\t}\n\t\t\tawait this.teardownCurrent(\"fork\", sessionManager.getSessionFile());\n\t\t\tthis.apply(\n\t\t\t\tawait this.createRuntime({\n\t\t\t\t\tcwd: sessionManager.getCwd(),\n\t\t\t\t\tagentDir: this.services.agentDir,\n\t\t\t\t\tsessionManager,\n\t\t\t\t\tsessionStartEvent: { type: \"session_start\", reason: \"fork\", previousSessionFile },\n\t\t\t\t}),\n\t\t\t);\n\t\t\tawait this.finishSessionReplacement(options?.withSession);\n\t\t\treturn { cancelled: false, selectedText };\n\t\t}\n\n\t\tconst sessionManager = this.session.sessionManager;\n\t\tif (!targetLeafId) {\n\t\t\tsessionManager.newSession({ parentSession: this.session.sessionFile });\n\t\t} else {","sourceCodeStart":302,"sourceCodeEnd":338,"githubUrl":"https://github.com/earendil-works/pi/blob/4af9d21d3b4d664e4a29fcabfec85171077248e3/packages/coding-agent/src/core/agent-session-runtime.ts#L302-L338","documentation":"Error \"Failed to create forked session\" thrown in earendil-works/pi.","triggerScenarios":"Thrown at packages/coding-agent/src/core/agent-session-runtime.ts:320 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"}