thephpleague/flysystem · error · UnableToGeneratePublicUrl

%s does not support generating public urls.

Error message

%s does not support generating public urls.

What it means

Error "%s does not support generating public urls." thrown in thephpleague/flysystem.

Source

Thrown at src/MountManager.php:291

            $config,
        ) : $this->copyAcrossFilesystem(
            $sourceFilesystem,
            $sourcePath,
            $destinationFilesystem,
            $destinationPath,
            $source,
            $destination,
            $config,
        );
    }

    public function publicUrl(string $path, array $config = []): string
    {
        /** @var FilesystemOperator $filesystem */
        [$filesystem, $path] = $this->determineFilesystemAndPath($path);

        if ( ! method_exists($filesystem, 'publicUrl')) {
            throw new UnableToGeneratePublicUrl(sprintf('%s does not support generating public urls.', $filesystem::class), $path);
        }

        return $filesystem->publicUrl($path, $config);
    }

    public function temporaryUrl(string $path, DateTimeInterface $expiresAt, array $config = []): string
    {
        /** @var FilesystemOperator $filesystem */
        [$filesystem, $path] = $this->determineFilesystemAndPath($path);

        if ( ! method_exists($filesystem, 'temporaryUrl')) {
            throw new UnableToGenerateTemporaryUrl(sprintf('%s does not support generating public urls.', $filesystem::class), $path);
        }

        return $filesystem->temporaryUrl($path, $expiresAt, $this->config->extend($config)->toArray());
    }

    public function checksum(string $path, array $config = []): string

View on GitHub (pinned to b277b5dc3d)

When it happens

Trigger: Thrown at src/MountManager.php:291 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of thephpleague/flysystem@b277b5dc3d (2026-08-17). Data as JSON: /api/errors/f2e0b041895f0ff3. Report an issue: GitHub.