diff --git a/wp-includes/Text/Diff.php b/wp-includes/Text/Diff.php
index b3c63afc5f..0f13b0fe5a 100644
--- a/wp-includes/Text/Diff.php
+++ b/wp-includes/Text/Diff.php
@@ -260,24 +260,24 @@ class Text_Diff {
     function _check($from_lines, $to_lines)
     {
         if (serialize($from_lines) != serialize($this->getOriginal())) {
-            trigger_error("Reconstructed original does not match", E_USER_ERROR);
+            throw new Text_Exception("Reconstructed original does not match");
         }
         if (serialize($to_lines) != serialize($this->getFinal())) {
-            trigger_error("Reconstructed final does not match", E_USER_ERROR);
+            throw new Text_Exception("Reconstructed final does not match");
         }
 
         $rev = $this->reverse();
         if (serialize($to_lines) != serialize($rev->getOriginal())) {
-            trigger_error("Reversed original does not match", E_USER_ERROR);
+            throw new Text_Exception("Reversed original does not match");
         }
         if (serialize($from_lines) != serialize($rev->getFinal())) {
-            trigger_error("Reversed final does not match", E_USER_ERROR);
+            throw new Text_Exception("Reversed final does not match");
         }
 
         $prevtype = null;
         foreach ($this->_edits as $edit) {
             if ($prevtype !== null && $edit instanceof $prevtype) {
-                trigger_error("Edit sequence is non-optimal", E_USER_ERROR);
+                throw new Text_Exception("Edit sequence is non-optimal");
             }
             $prevtype = get_class($edit);
         }
diff --git a/wp-includes/Text/Exception.php b/wp-includes/Text/Exception.php
new file mode 100644
index 0000000000..4bbe25dcb6
--- /dev/null
+++ b/wp-includes/Text/Exception.php
@@ -0,0 +1,11 @@
+<?php
+/**
+ * Exception for errors from the Text_Diff package.
+ *
+ * {@internal This is a WP native addition to the external Text_Diff package.}
+ *
+ * @package WordPress
+ * @subpackage Text_Diff
+ */
+
+class Text_Exception extends Exception {}
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6bd77bac73..ba3dd2d24b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.7-alpha-59104';
+$wp_version = '6.7-alpha-59105';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-includes/wp-diff.php b/wp-includes/wp-diff.php
index 235b04b4be..4f4c2c6a15 100644
--- a/wp-includes/wp-diff.php
+++ b/wp-includes/wp-diff.php
@@ -15,6 +15,8 @@ if ( ! class_exists( 'Text_Diff', false ) ) {
 	require ABSPATH . WPINC . '/Text/Diff/Renderer.php';
 	/** Text_Diff_Renderer_inline class */
 	require ABSPATH . WPINC . '/Text/Diff/Renderer/inline.php';
+	/** Text_Exception class */
+	require ABSPATH . WPINC . '/Text/Exception.php';
 }
 
 require ABSPATH . WPINC . '/class-wp-text-diff-renderer-table.php';