Fix #1614

runtime/src/main/java/me/shedaniel/rei/impl/client/gui/widget/entrylist/PaginatedEntryListWidget.java

@@ -118,6 +118,10 @@ protected void renderEntries(boolean fastEntryRendering, PoseStack matrices, int
     }
 
     public int getTotalPages() {
+        return getTotalPages(entries);
+    }
+
+    public int getTotalPages(List<?> entries) {
         return Mth.ceil(stacks.size() / (float) entries.size());
     }
 
@@ -136,7 +140,7 @@ protected void updateEntries(int entrySize, boolean zoomed) {
                 }
             }
         }
-        page = Math.max(Math.min(page, getTotalPages() - 1), 0);
+        page = Mth.clamp(page, 0, getTotalPages(entries) - 1);
         int skip = Math.max(0, page * entries.size());
         List</*EntryStack<?> | List<EntryStack<?>>*/ Object> subList = stacks.subList(skip, Math.min(stacks.size(), skip + entries.size()));
         Int2ObjectMap<CollapsedStack> indexedCollapsedStack = getCollapsedStackIndexed();