octobercms/october · error · ApplicationException

There was no data supplied to export

Error message

There was no data supplied to export

What it means

Error "There was no data supplied to export" thrown in octobercms/october.

Source

Thrown at modules/backend/models/ExportModel.php:123

     * the expected output format is [column_name => Column Label]
     */
    protected function processColumnKeys(array $columns): array
    {
        if (Arr::isList($columns)) {
            $columns = array_combine($columns, $columns);
        }

        return $columns;
    }

    /**
     * processExportData converts a data collection to a CSV file.
     */
    protected function processExportData($columns, $results, $options)
    {
        // Validate
        if (!$results) {
            throw new ApplicationException(__("There was no data supplied to export"));
        }

        // Extend columns
        $columns = $this->exportExtendColumns($columns);

        // Save for download
        $fileName = uniqid('oc');

        // Prepare export
        if ($this->file_format === 'json') {
            $dataFileName = $fileName . 'xjson';
            $options['savePath'] = $this->getTemporaryExportPath($dataFileName);
            $this->processExportDataAsJson($columns, $results, $options);
        }
        else {
            $dataFileName = $fileName . 'xcsv';
            $options['savePath'] = $this->getTemporaryExportPath($dataFileName);
            $this->processExportDataAsCsv($columns, $results, $options);

View on GitHub (pinned to b608633a7e)

When it happens

Trigger: Thrown at modules/backend/models/ExportModel.php:123 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of octobercms/october@b608633a7e (2026-08-21). Data as JSON: /api/errors/e6cd8def26396e1b. Report an issue: GitHub.