PHPOffice/PhpSpreadsheet · error · PhpOffice\PhpSpreadsheet\Exception

Failed to copy cells in cache

Error message

Failed to copy cells in cache

What it means

Error "Failed to copy cells in cache" thrown in PHPOffice/PhpSpreadsheet.

Source

Thrown at src/PhpSpreadsheet/Collection/Cells.php:430

        if ($this->currentCellIsDirty && isset($this->currentCoordinate, $this->currentCell)) {
            $this->currentCell->detach();

            $stored = $this->cache->set($this->cachePrefix . $this->currentCoordinate, $this->currentCell);
            if ($stored === false) {
                $this->destructIfNeeded($this, "Failed to store cell {$this->currentCoordinate} in cache");
            }
            $this->currentCellIsDirty = false;
        }

        $this->currentCoordinate = null;
        $this->currentCell = null;
    }

    private function destructIfNeeded(self $cells, string $message): void
    {
        $cells->__destruct();

        throw new PhpSpreadsheetException($message);
    }

    /**
     * Add or update a cell identified by its coordinate into the collection.
     *
     * @param string $cellCoordinate Coordinate of the cell to update
     * @param Cell $cell Cell to update
     */
    public function add(string $cellCoordinate, Cell $cell): Cell
    {
        if ($cellCoordinate !== $this->currentCoordinate) {
            $this->storeCurrentCell();
        }
        $column = 0;
        $row = '';
        sscanf($cellCoordinate, '%[A-Z]%d', $column, $row);
        /** @var int $row */
        $this->index[$cellCoordinate] = (--$row * AddressRange::MAX_COLUMN_INT) + Coordinate::columnIndexFromString((string) $column);

View on GitHub (pinned to 65b080eef4)

When it happens

Trigger: Thrown at src/PhpSpreadsheet/Collection/Cells.php:430 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/bf9b967d07c3336c. Report an issue: GitHub.