diff --git a/assets/js/hooks/Mapper/components/hooks/useSystemInfo.ts b/assets/js/hooks/Mapper/components/hooks/useSystemInfo.ts
index c159b9c9..7d10fa6c 100644
--- a/assets/js/hooks/Mapper/components/hooks/useSystemInfo.ts
+++ b/assets/js/hooks/Mapper/components/hooks/useSystemInfo.ts
@@ -1,6 +1,6 @@
+import { getSystemById } from '@/hooks/Mapper/helpers';
 import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
 import { useMemo } from 'react';
-import { getSystemById } from '@/hooks/Mapper/helpers';
 import { getSystemStaticInfo } from '../../mapRootProvider/hooks/useLoadSystemStatic';
 
 interface UseSystemInfoProps {
@@ -17,7 +17,7 @@ export const useSystemInfo = ({ systemId }: UseSystemInfoProps) => {
     const dynamicInfo = getSystemById(systems, systemId);
 
     if (!staticInfo || !dynamicInfo) {
-      throw new Error(`Error on getting system ${systemId}`);
+      return { dynamicInfo, staticInfo, leadsTo: [] };
     }
 
     const leadsTo = connections
diff --git a/assets/js/hooks/Mapper/components/mapInterface/components/SystemLinkSignatureDialog/SystemLinkSignatureDialog.tsx b/assets/js/hooks/Mapper/components/mapInterface/components/SystemLinkSignatureDialog/SystemLinkSignatureDialog.tsx
index e29fe153..574e9561 100644
--- a/assets/js/hooks/Mapper/components/mapInterface/components/SystemLinkSignatureDialog/SystemLinkSignatureDialog.tsx
+++ b/assets/js/hooks/Mapper/components/mapInterface/components/SystemLinkSignatureDialog/SystemLinkSignatureDialog.tsx
@@ -1,23 +1,23 @@
-import { useCallback, useMemo, useRef } from 'react';
 import { Dialog } from 'primereact/dialog';
+import { useCallback, useEffect, useMemo, useRef } from 'react';
 
-import { OutCommand } from '@/hooks/Mapper/types/mapHandlers.ts';
-import { CommandLinkSignatureToSystem, SignatureGroup, SystemSignature, TimeStatus } from '@/hooks/Mapper/types';
-import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
-import { SystemSignaturesContent } from '@/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent';
-import { parseSignatureCustomInfo } from '@/hooks/Mapper/helpers/parseSignatureCustomInfo';
-import { getWhSize } from '@/hooks/Mapper/helpers/getWhSize';
 import { useSystemInfo } from '@/hooks/Mapper/components/hooks';
 import {
   SOLAR_SYSTEM_CLASS_IDS,
   SOLAR_SYSTEM_CLASSES_TO_CLASS_GROUPS,
   WORMHOLES_ADDITIONAL_INFO_BY_SHORT_NAME,
 } from '@/hooks/Mapper/components/map/constants.ts';
-import { K162_TYPES_MAP } from '@/hooks/Mapper/constants.ts';
 import {
   SETTINGS_KEYS,
   SignatureSettingsType,
 } from '@/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/constants.ts';
+import { SystemSignaturesContent } from '@/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent';
+import { K162_TYPES_MAP } from '@/hooks/Mapper/constants.ts';
+import { getWhSize } from '@/hooks/Mapper/helpers/getWhSize';
+import { parseSignatureCustomInfo } from '@/hooks/Mapper/helpers/parseSignatureCustomInfo';
+import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
+import { CommandLinkSignatureToSystem, SignatureGroup, SystemSignature, TimeStatus } from '@/hooks/Mapper/types';
+import { OutCommand } from '@/hooks/Mapper/types/mapHandlers.ts';
 
 const K162_SIGNATURE_TYPE = WORMHOLES_ADDITIONAL_INFO_BY_SHORT_NAME['K162'].shortName;
 
@@ -49,7 +49,9 @@ export const SystemLinkSignatureDialog = ({ data, setVisible }: SystemLinkSignat
   ref.current = { outCommand };
 
   // Get system info for the target system
-  const { staticInfo: targetSystemInfo } = useSystemInfo({ systemId: `${data.solar_system_target}` });
+  const { staticInfo: targetSystemInfo, dynamicInfo: targetSystemDynamicInfo } = useSystemInfo({
+    systemId: `${data.solar_system_target}`,
+  });
 
   // Get the system class group for the target system
   const targetSystemClassGroup = useMemo(() => {
@@ -160,6 +162,12 @@ export const SystemLinkSignatureDialog = ({ data, setVisible }: SystemLinkSignat
     [data, setVisible, wormholes],
   );
 
+  useEffect(() => {
+    if (!targetSystemDynamicInfo) {
+      handleHide();
+    }
+  }, [targetSystemDynamicInfo]);
+
   return (
     <Dialog
       header="Select signature to link"
diff --git a/assets/js/hooks/Mapper/useMapperHandlers.ts b/assets/js/hooks/Mapper/useMapperHandlers.ts
index ec1709ce..dd7385d6 100644
--- a/assets/js/hooks/Mapper/useMapperHandlers.ts
+++ b/assets/js/hooks/Mapper/useMapperHandlers.ts
@@ -1,8 +1,8 @@
 import { MapHandlers } from '@/hooks/Mapper/types/mapHandlers.ts';
 import { RefObject, useCallback } from 'react';
 
-// Force reload the page after 30 minutes of inactivity
-const FORCE_PAGE_RELOAD_TIMEOUT = 1000 * 60 * 30;
+// Force reload the page after 5 minutes of inactivity
+const FORCE_PAGE_RELOAD_TIMEOUT = 1000 * 60 * 5;
 
 export const useMapperHandlers = (handlerRefs: RefObject<MapHandlers>[], hooksRef: RefObject<any>) => {
   const handleCommand = useCallback(