“An error has occurred. Please try again later. (Error Code: 2-ARCV-0003)”

Aquí tienes un texto útil y claro en español sobre la actualización 3.03 (NSP verificado) de Super Mario Maker 2. Puedes usarlo como post, guía o ficha de descarga.

| File Component | Expected CRC32 | Size | Notes | |----------------|----------------|------|-------| | Base NSP (v1.0.0) | B4A3C9F1 | 3.2 GB | Original dump from US cart | | Update v2.0.0 | D18E7A2C | 1.1 GB | Required for online features | | Update v3.0.1 | 5F93B2E4 | 450 MB | Stability & course fixes | | | A9C84F7E | 823 MB | The actualizacion that fixes error 303 |

found no new gameplay content. The update consisted solely of internal code changes, likely addressing security vulnerabilities or fixing exploits that could lead to game crashes. Controller Support

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