Add fallback for load_tokens.

src/meta/crocbot.py

@@ -175,4 +175,7 @@ class CrocBot(commands.Bot):
 
     async def load_tokens(self, path: str | None = None):
         for row in await UserAuth.fetch_where():
-            await self.add_token(row.token, row.refresh_token)
+            try:
+                await self.add_token(row.token, row.refresh_token)
+            except Exception:
+                logger.exception(f"Failed to add token for {row}")