diff --git a/index.html b/index.html
index c6c9915b..f4472f74 100644
--- a/index.html
+++ b/index.html
@@ -7849,7 +7849,7 @@
     <script src="modules/military-generator.js"></script>
     <script src="modules/markers-generator.js?v=1.87.13"></script>
     <script src="modules/coa-generator.js"></script>
-    <script src="modules/submap.js"></script>
+    <script src="modules/submap.js?v=1.88.05"></script>
     <script src="libs/polylabel.min.js"></script>
     <script src="libs/lineclip.min.js"></script>
     <script src="libs/alea.min.js"></script>
@@ -7865,7 +7865,7 @@
     <script defer src="modules/relief-icons.js"></script>
     <script defer src="modules/ui/style.js"></script>
     <script defer src="modules/ui/editors.js?v=1.87.07"></script>
-    <script defer src="modules/ui/tools.js?v=1.87.03"></script>
+    <script defer src="modules/ui/tools.js?v=1.88.05"></script>
     <script defer src="modules/ui/world-configurator.js"></script>
     <script defer src="modules/ui/heightmap-editor.js?v=1.88.03"></script>
     <script defer src="modules/ui/provinces-editor.js"></script>
@@ -7903,7 +7903,7 @@
     <script defer src="libs/jquery.ui.touch-punch.min.js"></script>
 
     <script defer src="modules/io/save.js"></script>
-    <script defer src="modules/io/load.js?v=1.88.01"></script>
+    <script defer src="modules/io/load.js?v=1.88.05"></script>
     <script defer src="modules/io/cloud.js"></script>
     <script defer src="modules/io/export.js"></script>
     <script defer src="modules/io/formats.js"></script>
diff --git a/modules/io/load.js b/modules/io/load.js
index a4ff11ea..cd1ed8c0 100644
--- a/modules/io/load.js
+++ b/modules/io/load.js
@@ -500,6 +500,15 @@ async function parseLoadedData(data) {
       });
 
       pack.burgs.forEach(burg => {
+        if ((!burg.i || burg.removed) && burg.lock) {
+          ERROR &&
+            console.error(
+              `Data Integrity Check. Burg ${burg.i || "0"} is removed or invalid but still locked. Unlocking the burg`
+            );
+          delete burg.lock;
+          return;
+        }
+
         if (!burg.i || burg.removed) return;
         if (burg.cell === undefined || burg.x === undefined || burg.y === undefined) {
           ERROR &&
diff --git a/modules/submap.js b/modules/submap.js
index 85408487..41cdf74b 100644
--- a/modules/submap.js
+++ b/modules/submap.js
@@ -403,7 +403,7 @@ window.Submap = (function () {
       } else {
         b.cell = cityCell;
       }
-      if (!b.lock) b.lock = options.lockBurgs;
+      if (b.i && !b.lock) b.lock = options.lockBurgs;
       cells.burg[b.cell] = id;
     });
   }
diff --git a/modules/ui/tools.js b/modules/ui/tools.js
index 0c0b9130..b4a6e162 100644
--- a/modules/ui/tools.js
+++ b/modules/ui/tools.js
@@ -261,7 +261,7 @@ function regenerateProvinces() {
 
 function regenerateBurgs() {
   const {cells, states} = pack;
-  const lockedburgs = pack.burgs.filter(b => b.lock);
+  const lockedburgs = pack.burgs.filter(b => b.i && !b.removed && b.lock);
   rankCells();
 
   cells.burg = new Uint16Array(cells.i.length);
diff --git a/versioning.js b/versioning.js
index 6dbf5bbf..959a3fa8 100644
--- a/versioning.js
+++ b/versioning.js
@@ -1,7 +1,7 @@
 "use strict";
 
 // version and caching control
-const version = "1.88.04"; // generator version, update each time
+const version = "1.88.05"; // generator version, update each time
 
 {
   document.title += " v" + version;