Kong/insomnia · error · Error

currently "clear" is not supported for the timeline

Error message

currently "clear" is not supported for the timeline

What it means

Explicit not-supported guard on the console.clear implementation of the scripting environment's Console object: scripts calling insomnia.console.clear() (or console.clear) always fail, because clearing timeline log output is intentionally unimplemented in the script sandbox.

Solutions

1. Remove console.clear() from pre-request/after-response scripts
2. Filter or clear the timeline via the UI instead

When it happens

Trigger: Thrown at packages/insomnia-scripting-environment/src/objects/console.ts:114 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Kong/insomnia@d9bb2b0142 (2026-08-26). Data as JSON: /api/errors/009b8bb77b1528a6. Report an issue: GitHub.

Appendix: source

Thrown at packages/insomnia-scripting-environment/src/objects/console.ts:114

  info = (...values: any[]) => {
    this.printLog(this.rows, 'info', ...values);
  };

  /**
   * Logs the provided values to the console with a log level of 'error'.
   *
   * @param values - The values to be logged. Accepts any number of arguments of any type.
   */
  error = (...values: any[]) => {
    this.printLog(this.rows, 'error', ...values);
  };

  /**
   * Clears the console output for the specified log level.
   * This method is currently not supported.
   */
  clear = (_level: LogLevel, _message?: any, ..._optionalParams: any[]) => {
    throw new Error('currently "clear" is not supported for the timeline');
  };

  /** @ignore */
  dumpLogs = () => {
    return this.rows.map(row => JSON.stringify(row) + '\n').join('\n');
  };

  /** @ignore */
  dumpLogsAsArray = () => {
    return this.rows.map(row => JSON.stringify(row) + '\n');
  };
}

/** @ignore */
let builtInConsole = new Console();
/** @ignore */
export function getExistingConsole() {
  return builtInConsole;

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