clockworklabs/SpacetimeDB · error · TypeError

multiple schemas are not supported

Error message

multiple schemas are not supported

What it means

Error "multiple schemas are not supported" thrown in clockworklabs/SpacetimeDB.

Source

Thrown at crates/bindings-typescript/src/server/schema.ts:725

export const exportContext = Symbol('SpacetimeDB.exportContext');

export interface ModuleExport {
  [registerExport](ctx: SchemaInner, exportName: string): void;
  [exportContext]?: SchemaInner;
}

function isModuleExport(x: unknown): x is ModuleExport {
  return (
    (typeof x === 'function' || typeof x === 'object') &&
    x !== null &&
    registerExport in x
  );
}

/** Verify that the ModuleContext that `exp` comes from is the same as `schema` */
function checkExportContext(exp: ModuleExport, schema: SchemaInner) {
  if (exp[exportContext] != null && exp[exportContext] !== schema) {
    throw new TypeError('multiple schemas are not supported');
  }
}

/**
 * Extracts the inferred schema type from a Schema instance
 */
export type InferSchema<SchemaDef extends Schema<any>> =
  SchemaDef extends Schema<infer S> ? S : never;

/**
 * Creates a schema from table definitions
 * @param handles - Array of table handles created by table() function
 * @returns ColumnBuilder representing the complete database schema
 * @example
 * ```ts
 * const spacetimedb = schema({
 *   user: table({}, userType),
 *   post: table({}, postType)

View on GitHub (pinned to 524b4487d9)

When it happens

Trigger: Thrown at crates/bindings-typescript/src/server/schema.ts:725 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/608354caffe42ca9. Report an issue: GitHub.