CMS Made Simple Forums

Hello,
I am using CMS Made Simple 1.11.9 and I want to upgrade to latest 2.2.6 but i unable to do so because you can see there are lots of version available between them.

My CMS Made Simple 1.11.9 details are below:



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Cms Version: 1.11.9

Installed Modules:

CMSMailer: 5.2.2
CMSPrinting: 1.0.5
FileManager: 1.4.3
MenuManager: 1.8.6
MicroTiny: 1.2.5
ModuleManager: 1.5.5
News: 2.14.1
Search: 1.7.11
ThemeManager: 1.1.8
CGExtensions: 1.38.6
JQueryTools: 1.2.6
Gallery: 1.6.1
CGContentUtils: 1.3.6
FormBuilder: 0.7.3
CGSimpleSmarty: 1.7.2
CompanyDirectory: 1.21.1
CMSForms: 1.10.10
MCFactory: 3.4.20
ListIt2: 1.4
ListIt2ListIt2Competition: 1.4
ListIt2profile: 1.4
FormBrowser: 0.4.2
FrontEndUsers: 1.22.3
CGFeedMaker: 1.0.17
GBFilePicker: 1.3.3
CGGoogleMaps: 2.4.7
CGGoogleMaps2: 0.98.1
CGSmartImage: 1.15
HitCounter: 1.1
Album: 1.10.3
AireLibs: 1.3.2
iCal: 0.1
NMS: 2.8.2
Captcha: 0.4.6
CGJobMgr: 1.3.1
ListIt2News: 1.4
MysqlDump: 1.3.1
ShopMadeSimple: 0.3.9
CartMadeSimple: 0.4.4
Products: 2.20.1
HostedVideoAlbums: 2.4.4
TinyMCE: 2.9.12
ExtendedTools: 1.3.3
ModuleGenerator: 2.3.2
Piwik: 1.0.1
Showtime: 3.4
Cron: 0.0.8
CGCalendar: 1.13.2
AdvancedContent: 0.9.4.3


Config Information:

php_memory_limit:
process_whole_template:
max_upload_size: 200000000
url_rewriting: none
page_extension:
query_var: page
image_manipulation_prog: GD
auto_alias_content: true
locale:
default_encoding: utf-8
admin_encoding: utf-8
set_names: true


Php Information:

phpversion: 5.5.9-1ubuntu4.23
md5_function: On (True)
gd_version: 2
tempnam_function: On (True)
magic_quotes_runtime: Off (False)
E_STRICT: 0
E_DEPRECATED: 0
memory_limit: 1280M
max_execution_time: 30
output_buffering: 4096
safe_mode: Off (False)
file_uploads: On (True)
post_max_size: 800M
upload_max_filesize: 200M
session_save_path: /var/lib/php5 (1733)
session_use_cookies: On (True)
xml_function: On (True)
xmlreader_class: On (True)


Server Information:

Server Api: apache2handler
Server Db Type: MySQL (mysqli)
Server Db Version: 5.6.33
Server Db Grants: Found a "GRANT ALL" statement that appears to be suitable
Server Time Diff: No filesystem time difference found


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I also got "A problem occurred communicating with the module server" error & I changed to follow steps but still getting this problem:

[REMOVED]

Here are the steps for upgrading old versions:
https://docs.cmsmadesimple.org/upgrading/old-versions