Ticket #3803: 3803.diff

binaries/data/mods/public/simulation/helpers/ValueModification.js

@@ -14 +14 @@
 }
 
 function ApplyValueModificationsToPlayer(tech_type, current_value, playerEntity, playerID)
 {
     let cmpTemplateManager = Engine.QueryInterface(SYSTEM_ENTITY, IID_TemplateManager);
+    if (!cmpTemplateManager)
+            return current_value;
     let entityTemplateName = cmpTemplateManager.GetCurrentTemplateName(playerEntity);
     let entityTemplate = cmpTemplateManager.GetTemplate(entityTemplateName);
     return ApplyValueModificationsToTemplate(tech_type, current_value, playerID, entityTemplate);
 }