diff --git a/cm_changelog.txt b/cm_changelog.txt
index 8bd8f11ad8..f3d769dfd7 100644
--- a/cm_changelog.txt
+++ b/cm_changelog.txt
@@ -76,6 +76,7 @@ This is usable for any OpenTTD servers
 *** 14.0 ***
 - Fixed graphs with cargo selection.
 - Fixed measurement tooltips.
+- Fixed n-ice community login by Chucky and iSoSyS.
 - Show the number of hidden vehicles in buy and autoreplace windows.
 - Added a setting to disable activate-on-release behaviour of toolbar dropdown buttons.
 - Added Russian translation.
diff --git a/gen_commands.py b/gen_commands.py
index ca98efa82c..03dafe6d53 100644
--- a/gen_commands.py
+++ b/gen_commands.py
@@ -8,19 +8,20 @@ RX_COMMAND = re.compile(r'(?P<returns>CommandCost|std::tuple<CommandCost, [^>]*>
 RX_DEF_TRAIT = re.compile(r'DEF_CMD_TRAIT\((?P<constant>\w+),\s+(?P<function>\w+),\s+(?P<flags>[^,]*),\s+(?P<category>\w+)\)')
 RX_ARG = re.compile(r'(?P<type>(:?const |)[\w:]* &?)(?P<name>\w*)')
 RX_CALLBACK = re.compile(r'void\s+(?P<name>Cc\w+)\(Commands')
-RX_CALLBACK_REF = re.compile(r'CommandCallback\s+(?P<name>Cc\w+);')
+RX_CALLBACK_REF = re.compile(r'CommandCallback(?:Data|)\s+(?P<name>Cc\w+);')
 RX_CAMEL_TO_SNAKE = re.compile(r'(?<!^)(?=[A-Z])')
 RX_CMD_CONSTANT = re.compile(r'CMD_[\w_]+')
 
 FILES = [
-    'src/misc_cmd.h',
-    'src/object_cmd.h',
-    'src/order_cmd.h',
-    'src/rail_cmd.h',
-    'src/road_cmd.h',
-    'src/station_cmd.h',
-    'src/town_cmd.h',
-    'src/tunnelbridge_cmd.h',
+    'misc_cmd.h',
+    'object_cmd.h',
+    'order_cmd.h',
+    'rail_cmd.h',
+    'road_cmd.h',
+    'station_cmd.h',
+    'town_cmd.h',
+    'tunnelbridge_cmd.h',
+    'script/script_cmd.h',
 ]
 
 BASE_DIR = Path(__file__).parent
@@ -96,7 +97,7 @@ def parse_commands():
         command_ids[cmd] = cid
         cid += 1
 
-    for f in glob.glob(str(BASE_DIR / 'src' / '*_cmd.h')):
+    for f in glob.glob(str(BASE_DIR / 'src' / '*_cmd.h')) + glob.glob(str(BASE_DIR / 'src' / '*' / '*_cmd.h')):
     # for f in glob.glob(str(BASE_DIR / 'src' / 'group_cmd.h')):
         includes.append(Path(f).name)
         data = open(f).read()
diff --git a/src/citymania/generated/cm_gen_commands.cpp b/src/citymania/generated/cm_gen_commands.cpp
index 315a1c1b3b..ea9b4338b8 100644
--- a/src/citymania/generated/cm_gen_commands.cpp
+++ b/src/citymania/generated/cm_gen_commands.cpp
@@ -10,6 +10,7 @@
 #include "../../station_cmd.h"
 #include "../../town_cmd.h"
 #include "../../tunnelbridge_cmd.h"
+#include "../../script/script_cmd.h"
 namespace citymania {
 namespace cmd {
 
@@ -42,7 +43,9 @@ static constexpr auto _callback_tuple = std::make_tuple(
     &CcBuildIndustry,
     &CcBuildBridge,
     &CcCreateGroup,
-    &CcAddVehicleNewGroup
+    &CcAddVehicleNewGroup,
+    &CcAI,
+    &CcGame
 );
 
 inline constexpr size_t _callback_tuple_size = std::tuple_size_v<decltype(_callback_tuple)>;
diff --git a/src/citymania/generated/cm_gen_commands.hpp b/src/citymania/generated/cm_gen_commands.hpp
index 9352b3377b..9f48e08f54 100644
--- a/src/citymania/generated/cm_gen_commands.hpp
+++ b/src/citymania/generated/cm_gen_commands.hpp
@@ -41,6 +41,7 @@
 #include "../../engine_cmd.h"
 #include "../../tunnelbridge_cmd.h"
 #include "../../group_cmd.h"
+#include "../../script_cmd.h"
 
 namespace citymania {
 namespace cmd {