{"record":{"id":"91084039896f6194","repo":"earendil-works/pi","slug":"replacement-range-is-outside-the-base-content","errorCode":null,"errorMessage":"Replacement range is outside the base content.","messagePattern":"Replacement range is outside the base content\\.","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/agent/src/harness/tools/edit-diff.ts","lineNumber":93,"sourceCode":"\t\toffset = span.end;\n\t\treturn span;\n\t});\n}\n\nfunction getReplacementLineRange(lines: LineSpan[], replacement: TextReplacement) {\n\tconst replacementStart = replacement.matchIndex;\n\tconst replacementEnd = replacement.matchIndex + replacement.matchLength;\n\n\tlet startLine = -1;\n\tfor (let i = 0; i < lines.length; i++) {\n\t\tconst line = lines[i];\n\t\tif (replacementStart >= line.start && replacementStart < line.end) {\n\t\t\tstartLine = i;\n\t\t\tbreak;\n\t\t}\n\t}\n\tif (startLine === -1) {\n\t\tthrow new Error(\"Replacement range is outside the base content.\");\n\t}\n\n\tlet endLine = startLine;\n\twhile (endLine < lines.length && lines[endLine].end < replacementEnd) {\n\t\tendLine++;\n\t}\n\tif (endLine >= lines.length) {\n\t\tthrow new Error(\"Replacement range is outside the base content.\");\n\t}\n\n\treturn { startLine, endLine: endLine + 1 };\n}\n\nfunction applyReplacements(content: string, replacements: TextReplacement[], offset = 0): string {\n\tlet result = content;\n\tfor (let i = replacements.length - 1; i >= 0; i--) {\n\t\tconst replacement = replacements[i];\n\t\tconst matchIndex = replacement.matchIndex - offset;","sourceCodeStart":75,"sourceCodeEnd":111,"githubUrl":"https://github.com/earendil-works/pi/blob/4af9d21d3b4d664e4a29fcabfec85171077248e3/packages/agent/src/harness/tools/edit-diff.ts#L75-L111","documentation":"Error \"Replacement range is outside the base content.\" thrown in earendil-works/pi.","triggerScenarios":"Thrown at packages/agent/src/harness/tools/edit-diff.ts:93 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Recompute the replacement range against the current base content before applying the edit."],"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"}