getgrav/grav · error · RuntimeException

No temporary file

Error message

No temporary file

What it means

Error "No temporary file" thrown in getgrav/grav.

Source

Thrown at system/src/Grav/Framework/Form/FormFlashFile.php:72

            $this->upload['size'] = $tmpFile && $this->isOk() ? filesize($tmpFile) : 0;
        }
    }

    /**
     * @return StreamInterface
     */
    public function getStream(): StreamInterface
    {
        $this->validateActive();

        $tmpFile = $this->getTmpFile();
        if (null === $tmpFile) {
            throw new RuntimeException('No temporary file');
        }

        $resource = fopen($tmpFile, 'rb');
        if (false === $resource) {
            throw new RuntimeException('No temporary file');
        }

        return Stream::create($resource);
    }

    /**
     * @param string $targetPath
     * @return void
     */
    public function moveTo(string $targetPath): void
    {
        $this->validateActive();

        if ($targetPath === '') {
            throw new InvalidArgumentException('Invalid path provided for move operation; must be a non-empty string');
        }
        $tmpFile = $this->getTmpFile();
        if (null === $tmpFile) {

View on GitHub (pinned to 6040efed04)

When it happens

Trigger: Thrown at system/src/Grav/Framework/Form/FormFlashFile.php:72 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of getgrav/grav@6040efed04 (2026-08-17). Data as JSON: /api/errors/8c451418b651432f. Report an issue: GitHub.