Index: models/Catalog/catalog.types.ts
===================================================================
diff -u -r07e6b3365d16565cc12c2c106e24ce02d31613a7 -r7efeb053a4af41a803e9b3c2b1dc9adefea52c9f
--- models/Catalog/catalog.types.ts	(.../catalog.types.ts)	(revision 07e6b3365d16565cc12c2c106e24ce02d31613a7)
+++ models/Catalog/catalog.types.ts	(.../catalog.types.ts)	(revision 7efeb053a4af41a803e9b3c2b1dc9adefea52c9f)
@@ -97,7 +97,7 @@
     buyerGlobalId: string;
     firstSectionId: number;
     firstSectionName: string;
-    buyer: string;
+    buyer?: string;
     manager: string;
     resend: boolean;
     revisionDeadlinDate: string;