player.configure({ drm: { servers: { 'com.widevine.alpha': 'https://license.arthouse.com/widevine' } } }); The problem? The manifest file for Cybernetic Vampire III (and several other 4K remasters) contained multiple DRM schemes. But the player was asking for Widevine. When Widevine wasn't available (or the license server was down for that key system), Shaka threw the REQUESTED_KEY_SYSTEM_CONFIG_UNAVAILABLE error because it had no fallback.
It was like ordering pizza only from a store that was closed, rather than calling the other pizza place two blocks away. Maya modified the configuration to be flexible. She added all the major DRM key systems the content might use, and importantly, she set a priority order: player
And from that day on, ArtHouse Stream never saw the 6001 error again—except once, when a user tried to watch a movie on a 2012 smart TV. But that's a story for another night. When Widevine wasn't available (or the license server