src/Render/BigPipe.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Render/BigPipe.php b/src/Render/BigPipe.php
index 02c9cf4..bf002ee 100644
--- a/src/Render/BigPipe.php
+++ b/src/Render/BigPipe.php
@@ -191,6 +191,12 @@ class BigPipe implements BigPipeInterface {
    * @param \Drupal\Core\Asset\AttachedAssetsInterface $cumulative_assets
    *   The cumulative assets sent so far; to be updated while rendering no-JS
    *   BigPipe placeholders.
+   *
+   * @throws \Exception
+   *   If an exception is thrown during the rendering of a placeholder, it is
+   *   caught to allow the other placeholders to still be replaced. But when
+   *   error logging is configured to be verbose, the exception is rethrown to
+   *   simplify debugging.
    */
   protected function sendNoJsPlaceholders($html, $no_js_placeholders, AttachedAssetsInterface $cumulative_assets) {
     // Split the HTML on every no-JS placeholder string.