PHPOffice/PhpSpreadsheet · error · PhpOffice\PhpSpreadsheet\Exception

Scale must be greater than or equal to 1.

Error message

Scale must be greater than or equal to 1.

What it means

Error "Scale must be greater than or equal to 1." thrown in PHPOffice/PhpSpreadsheet.

Source

Thrown at src/PhpSpreadsheet/Worksheet/SheetView.php:91

    public function getZoomScale(): ?int
    {
        return $this->zoomScale;
    }

    /**
     * Set ZoomScale.
     * Valid values range from 10 to 400.
     *
     * @return $this
     */
    public function setZoomScale(?int $zoomScale): static
    {
        // Microsoft Office Excel 2007 only allows setting a scale between 10 and 400 via the user interface,
        // but it is apparently still able to handle any scale >= 1
        if ($zoomScale === null || $zoomScale >= 1) {
            $this->zoomScale = $zoomScale;
        } else {
            throw new PhpSpreadsheetException('Scale must be greater than or equal to 1.');
        }

        return $this;
    }

    /**
     * Get ZoomScaleNormal.
     */
    public function getZoomScaleNormal(): ?int
    {
        return $this->zoomScaleNormal;
    }

    /**
     * Set ZoomScale.
     * Valid values range from 10 to 400.
     *
     * @return $this

View on GitHub (pinned to 65b080eef4)

When it happens

Trigger: Thrown at src/PhpSpreadsheet/Worksheet/SheetView.php:91 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of PHPOffice/PhpSpreadsheet@65b080eef4 (2026-08-17). Data as JSON: /api/errors/2dfedc62dea96e0e. Report an issue: GitHub.