deepseek-ai/deepseek-harness · error · Error

Parameter `${parameter}` is empty for command: ${command}

Error message

Parameter `${parameter}` is empty for command: ${command}

What it means

Error "Parameter `${parameter}` is empty for command: ${command}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/fs/tool-str-replace-editor/src/index.ts:131

  }
  if (info.type === 'directory' && command !== 'view') {
    throw new FsError(
      `The path ${target.displayPath} is a directory and only the \`view\` command can be used on directories`,
      'FS_NOT_REGULAR_FILE',
    )
  }
  return info
}

function requiredForCommand(
  value: string | undefined,
  parameter: string,
  command: string,
  allowEmpty = true,
): string {
  if (value === undefined) throw new Error(`Parameter \`${parameter}\` is required for command: ${command}`)
  if (!allowEmpty && value.length === 0) {
    throw new Error(`Parameter \`${parameter}\` is empty for command: ${command}`)
  }
  return value
}

function formatFileView(
  path: string,
  content: string,
  maxOutputChars: number,
  viewRange?: number[],
): string {
  const allLines = content.split('\n')
  let lines = allLines
  let initialLine = 1
  let finalLine: number | undefined
  let prompt = `Here's the content of ${path} with line numbers (which has a total of ${allLines.length} lines)`
  if (viewRange !== undefined) {
    const [requestedInitialLine, requestedFinalLine] = viewRange
    if (

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/fs/tool-str-replace-editor/src/index.ts:131 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/5c1ec29c92ad20ef. Report an issue: GitHub.