The server may have flagged your IP address as a bot or automated script. This is common when using VPNs or data-center proxies.
Many third-party hosts block known VPN IP ranges to prevent automated scraping. Switching to a standard residential connection often resolves the issue. S1703 - DoodStream
DoodStream relies heavily on advertisement revenue. Aggressive ad-blockers can sometimes trigger playback errors as a "soft block." The server may have flagged your IP address