message: Fixed an issue in compiler
diff: @@ -120,7 +120,7 @@ export class Compiler {
  // Output the schema & manifest files
  fs.writeFileSync(
  `${outputDir}/schema.graphql`,
  - composed.combined,
  + composed.combined || '',
  "utf-8"
  );
  Web3ApiManifest.dump(manifest, `${outputDir}/web3api.yaml`);
  