From 32a81af8c459ce76461079312287b3c8233a5ce9 Mon Sep 17 00:00:00 2001
From: William Entriken <github.com@phor.net>
Date: Tue, 8 Feb 2022 23:06:55 -0500
Subject: [PATCH] Assert on failure

---
 contracts/ERC721A.sol | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/contracts/ERC721A.sol b/contracts/ERC721A.sol
index aeefe81b8..0e77dd25b 100644
--- a/contracts/ERC721A.sol
+++ b/contracts/ERC721A.sol
@@ -28,7 +28,6 @@ error TransferFromIncorrectOwner();
 error TransferToNonERC721ReceiverImplementer();
 error TransferToZeroAddress();
 error UnableDetermineTokenOwner();
-error UnableGetTokenOwnerByIndex();
 error URIQueryForNonexistentToken();
 
 /**
@@ -123,7 +122,8 @@ contract ERC721A is Context, ERC165, IERC721, IERC721Metadata, IERC721Enumerable
             }
         }
 
-        revert UnableGetTokenOwnerByIndex();
+        // Execution should never reach this point.
+        assert(false);
     }
 
     /**