From 913a7c76e662ef102b7e6582a25b79210473d872 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mario=20Sim=C3=A3o?= <mariosimao@poli.ufrj.br>
Date: Mon, 12 Jun 2023 20:03:59 -0300
Subject: [PATCH] fix(common): possible null pointer on RichText (#246)

---
 src/Common/RichText.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Common/RichText.php b/src/Common/RichText.php
index d7ab5536..ba98963a 100644
--- a/src/Common/RichText.php
+++ b/src/Common/RichText.php
@@ -177,7 +177,7 @@ public function changeHref(string $href): self
             $href,
             $this->annotations,
             $this->type,
-            $this->text->changeUrl($href),
+            $this->text?->changeUrl($href),
             $this->mention,
             $this->equation,
         );