{"record":{"id":"0b81adac3c1754c1","repo":"ytdl-org/youtube-dl","slug":"unsupported-opcode-d","errorCode":null,"errorMessage":"Unsupported opcode %d","messagePattern":"Unsupported opcode (.+?)","errorType":"exception","errorClass":"NotImplementedError","httpStatus":null,"severity":"error","filePath":"youtube_dl/swfinterp.py","lineNumber":830,"sourceCode":"                    stack.append(value + 1)\n                elif opcode == 208:  # getlocal_0\n                    stack.append(registers[0])\n                elif opcode == 209:  # getlocal_1\n                    stack.append(registers[1])\n                elif opcode == 210:  # getlocal_2\n                    stack.append(registers[2])\n                elif opcode == 211:  # getlocal_3\n                    stack.append(registers[3])\n                elif opcode == 212:  # setlocal_0\n                    registers[0] = stack.pop()\n                elif opcode == 213:  # setlocal_1\n                    registers[1] = stack.pop()\n                elif opcode == 214:  # setlocal_2\n                    registers[2] = stack.pop()\n                elif opcode == 215:  # setlocal_3\n                    registers[3] = stack.pop()\n                else:\n                    raise NotImplementedError(\n                        'Unsupported opcode %d' % opcode)\n\n        avm_class.method_pyfunctions[func_name] = resfunc\n        return resfunc\n","sourceCodeStart":812,"sourceCodeEnd":835,"githubUrl":"https://github.com/ytdl-org/youtube-dl/blob/956b8c585591b401a543e409accb163eeaaa1193/youtube_dl/swfinterp.py#L812-L835","documentation":"Error \"Unsupported opcode %d\" thrown in ytdl-org/youtube-dl.","triggerScenarios":"Thrown at youtube_dl/swfinterp.py:830 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Update youtube-dl; the SWF uses an opcode the interpreter does not support."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"956b8c585591b401a543e409accb163eeaaa1193","analyzedAt":"2026-08-14T18:59:47.863Z","schemaVersion":2},"datasetVersion":"2026-08-15T17:31:12.345Z"}