clockworklabs/SpacetimeDB · error · InvalidOperationException

Unsupported type {type}

Error message

Unsupported type {type}

What it means

Error "Unsupported type {type}" thrown in clockworklabs/SpacetimeDB.

Source

Thrown at crates/bindings-csharp/BSATN.Codegen/Type.cs:113

                    typeInfo,
                    Parse(member, named.TypeArguments[0], diag),
                    Parse(member, named.TypeArguments[1], diag)
                ),
                "System.Collections.Generic.List<T>" => new ListUse(
                    type,
                    typeInfo,
                    Parse(member, named.TypeArguments[0], diag)
                ),
                "System.Nullable<T>" => new NullableUse(type, typeInfo),
                _ => named.IsValueType
                    ? (
                        named.TypeKind == Microsoft.CodeAnalysis.TypeKind.Enum
                            ? new EnumUse(type, typeInfo)
                            : new ValueUse(type, typeInfo)
                    )
                    : new ReferenceUse(type, typeInfo),
            },
            _ => throw new InvalidOperationException($"Unsupported type {type}"),
        };
    }

    /// <summary>
    /// Get the name of the BSATN struct for this type.
    /// </summary>
    public virtual string ToBSATNString()
    {
        return this.BSATNName;
    }

    public virtual string ToBSATNString2()
    {
        return this.BSATNName;
    }

    /// <summary>
    /// Get a statement that declares outVar and assigns (inVar1 logically-equals inVar2) to it.

View on GitHub (pinned to 524b4487d9)

When it happens

Trigger: Thrown at crates/bindings-csharp/BSATN.Codegen/Type.cs:113 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of clockworklabs/SpacetimeDB@524b4487d9 (2026-08-16). Data as JSON: /api/errors/89224cae7bb93589. Report an issue: GitHub.