diff --git a/gradle.properties b/gradle.properties
index 394a45a..4da0fa1 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -2,7 +2,7 @@
 org.gradle.daemon=false
 org.gradle.jvmargs=-Xmx8G
 version_minecraft=1.16.1
-version_forge_minecraft=1.16.1-32.0.97
+version_forge_minecraft=1.16.1-32.0.98
 version_fml_mappings=20200514-1.16
 version_jei=1.16.1:7.0.0.6
 version_engineersdecor=1.1.1-b6
diff --git a/meta/update.json b/meta/update.json
index b2571aa..ea5ea4b 100644
--- a/meta/update.json
+++ b/meta/update.json
@@ -1,6 +1,7 @@
 {
   "homepage": "https://www.curseforge.com/minecraft/mc-mods/engineers-decor/",
   "1.16.1": {
+    "1.1.1-b6": "[F] Iron Hatch rendering fixed (issue #113, ty KrAzYGEEK32).\n[F] Hot of for UI tooltip crash for versions Forge < 32.0.97.",
     "1.1.1-b5": "[M] Transmuted the \"Treated Wood Crafting Table\" to a \"Metal Crafting Table\" to de-duplicate the new Immersive Engineering \"Engineer's Crafting Table\".\n[F] Fixed metal pole culling (issue #109, thx Alsett).",
     "1.1.1-b4": "[F] Fixed Fluid Barrel tooltip text duplicate.\n[F] Fixed IE hard-dependency opt-out.\n[M] Side Table model and shape refined.\n[A] Dense Grit Dirt added.\n[M] Wood textures slightly darker, obsolete textures removed.",
     "1.1.1-b3": "[A] Ceiling Edge Light added.\n[A] Iron Bulb Light added.\n[A] Iron Hatch added.\n[A] Fluid Barrel added.\n[M] Gas Concrete texture made slightly darker.",
@@ -9,7 +10,7 @@
     "1.1.1-a1": "[A] Initial port."
   },
   "promos": {
-    "1.16.1-recommended": "1.1.1-b5",
-    "1.16.1-latest": "1.1.1-b5"
+    "1.16.1-recommended": "1.1.1-b6",
+    "1.16.1-latest": "1.1.1-b6"
   }
 }
\ No newline at end of file
diff --git a/readme.md b/readme.md
index 90d3254..efd9c01 100644
--- a/readme.md
+++ b/readme.md
@@ -11,7 +11,8 @@ Mod sources for Minecraft version 1.15.1.
 
 ## Version history
 
-    ~ v1.1.1-b6  [F] Iron Hatch rendering fixed (issue #113, ty KrAzYGEEK32).
+    - v1.1.1-b6  [F] Iron Hatch rendering fixed (issue #113, ty KrAzYGEEK32).
+                 [F] Hot of for UI tooltip crash for versions Forge < 32.0.97.
 
     - v1.1.1-b5  [M] Transmuted the "Treated Wood Crafting Table" to a "Metal Crafting Table"
                      to de-duplicate the new Immersive Engineering "Engineer's Crafting Table".
diff --git a/src/main/java/wile/engineersdecor/libmc/detail/TooltipDisplay.java b/src/main/java/wile/engineersdecor/libmc/detail/TooltipDisplay.java
index 15bb535..3e812ac 100644
--- a/src/main/java/wile/engineersdecor/libmc/detail/TooltipDisplay.java
+++ b/src/main/java/wile/engineersdecor/libmc/detail/TooltipDisplay.java
@@ -53,6 +53,7 @@ public class TooltipDisplay
   private int max_deviation = default_max_deviation;
   private int x_last, y_last;
   private long t;
+  private static boolean had_render_exception = false;
 
   public TooltipDisplay()
   { t = System.currentTimeMillis(); }
@@ -77,6 +78,7 @@ public class TooltipDisplay
 
   public <T extends Container> boolean render(MatrixStack mx, final ContainerScreen<T> gui, int x, int y)
   {
+    if(had_render_exception) return false;
     if((Math.abs(x-x_last) > max_deviation) || (Math.abs(y-y_last) > max_deviation)) {
       x_last = x;
       y_last = y;
@@ -89,7 +91,13 @@ public class TooltipDisplay
         if((x<tip.x0) || (x>tip.x1) || (y<tip.y0) || (y>tip.y1)) return false;
         String text = tip.text.getString();
         if(!text.isEmpty() && (!text.startsWith("block."))) {
-          gui.renderToolTip(mx, Collections.singletonList(tip.text), x, y, Minecraft.getInstance().fontRenderer);
+          try {
+            gui.renderToolTip(mx, Collections.singletonList(tip.text), x, y, Minecraft.getInstance().fontRenderer);
+          } catch(Exception ex) {
+            had_render_exception = true;
+            Auxiliaries.logError("Tooltip rendering disabled due to exception: '" + ex.getMessage() + "'");
+            return false;
+          }
         }
         return true;
       })
diff --git a/src/main/resources/META-INF/mods.toml b/src/main/resources/META-INF/mods.toml
index 89b8022..4cf8512 100644
--- a/src/main/resources/META-INF/mods.toml
+++ b/src/main/resources/META-INF/mods.toml
@@ -18,7 +18,7 @@ logoFile="logo.png"
 [[dependencies.engineersdecor]]
   modId="forge"
   mandatory=true
-  versionRange="[32.0.75,)"
+  versionRange="[32.0.70,)"
   ordering="NONE"
   side="BOTH"