GITBOOK-168: No subject

mummyhaphe · gitbook-bot · commit 603627886c1f · 2025-11-26T01:13:39.000Z
diff --git a/build/api-reference/arbitrum/README.md b/build/api-reference/arbitrum/README.md
@@ -6,6 +6,10 @@ description: >-
 
 # Arbitrum
 
+{% hint style="info" %}
+Please note that due to historical hard forks, data prior to block 22207817 is not supported.
+{% endhint %}
+
 ## eth <a href="#eth" id="eth"></a>
 
 * [eth\_chainId](eth_chainid.md)
