Joomla Site Error Fix & Upgrade

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My Joomla site (version 3.10.12) is currently experiencing critical issues. The administrator pages are showing the error "0 Class 'JFormFieldList' not found", preventing me from upgrading the site. I have various custom extensions and modules installed, which may be contributing to these problems.

What I need:

- Troubleshooting and fixing of the errors

- Upgrading the site to the latest Joomla and PHP versions

- Updating all my existing custom extensions/modules

Ideal Skills:

- Extensive experience with Joomla

- Proficiency in PHP

- Skilled in troubleshooting and fixing Joomla errors

- Experience with updating Joomla custom extensions/modules

Please bid only if you can provide the above services.

PHP Joomla CSS MySQL HTML

Projekt-id: #38802283

Om projektet

81 offerter Distansprojekt Aktivt 1 månad sedan

81 frilansare har lagt bud på i genomsnitt $485 för det här jobbet

CVInfotech

Hello I’m very interested in your project and would love the opportunity to work together. With over 12+ years of experience in similar tasks, I am confident in my ability to deliver high-quality results. Please feel Mer

$800 USD inom 7 dagar
(390 omdömen)
9.3
nmans

As a seasoned web developer and digital marketing enthusiast, I firmly believe that I possess the skills you need to address the issues plaguing your Joomla site effectively. My expertise stretches from e-commerce solu Mer

$500 USD inom 7 dagar
(536 omdömen)
8.5
webperfection123

As a highly experienced and versatile web developer, I have been working with Joomla for over a decade and faced and excelled in various challenging situations, fixing intricate errors akin to the one on your site. The Mer

$500 USD inom 7 dagar
(325 omdömen)
8.3
joomlaeye

Hello! I am looking forward to check and correct Joomla Site errors. I'll upgrade Joomla version to 4.x. Please contact me to start detailed discussion and implementation. Thank you.

$500 USD inom 7 dagar
(197 omdömen)
7.9
shayona163

I understand the imminent need to fix your Joomla site and upgrade it to the latest version, and I am well-quipped to assist you with that. With specialized skills in CSS, MySQL, and PHP, I have spent 8 years honing my Mer

$250 USD inom 2 dagar
(395 omdömen)
7.9
einnovention

With over 10 years of experience focused on Joomla development, I am confident that I can effectively resolve the error you are currently facing with your Joomla site. Fixing and upgrading Joomla sites is my forte, hav Mer

$500 USD inom 7 dagar
(229 omdömen)
7.9
gamdurbhullar

i am very good in joomla can you please share administrator details in private chat ?

$285 USD inom 3 dagar
(281 omdömen)
7.8
MashoodurRehman1

I am an experienced Joomla developer with in-depth knowledge of troubleshooting and fixing Joomla errors. I have extensive experience with updating custom extensions and modules. My proficiency in PHP makes me well-equ Mer

$510 USD inom 5 dagar
(114 omdömen)
7.6
divumanocha

Dear Client, I have reviewed your project description and am confident in my ability to contribute effectively. With several years of experience in this field, I am ready to start working on your project as soon as you Mer

$600 USD inom 7 dagar
(145 omdömen)
7.8
sat12

Hi, I am Joomla,PHP programmer having 10 years of experience. I am very good in wordpress,php,mysql,joomla. I have done highest projects here in Joomla.

$650 USD inom 7 dagar
(650 omdömen)
7.5
kamran2012

Hello, I’m an experienced Joomla developer skilled in troubleshooting complex errors and performing updates for Joomla sites. I can help resolve the "0 Class 'JFormFieldList' not found" issue, upgrade your site to the Mer

$250 USD inom 3 dagar
(68 omdömen)
7.5
kazemmojtama

Hello, good time Hope you are doing well I'm expert in MATLAB/Simulink, Python, HTML5, CSS3, Java, JavaScript and C/C#/C++ programming and by strong mathematical and statistical background, have good flexibility for s Mer

$500 USD inom 7 dagar
(11 omdömen)
7.2
Rekhathakur

Hello, As a developer ranking in the top 4% for Javascript on Freelancer, I bring not only vast experience with Joomla but also deep proficiency in PHP - two of the most crucial aspects of your project. In my 10+ year Mer

$500 USD inom 7 dagar
(107 omdömen)
7.8
bindmission

Hello, I have 10 years of experience in Joomla development and troubleshooting. I can resolve the "0 Class 'JFormFieldList' not found" error and any related issues. I will upgrade your site to the latest Joomla and Mer

$400 USD inom 2 dagar
(500 omdömen)
7.4
jwsolution

Hello, I understand that you're experiencing critical issues with your Joomla site, and I'd be glad to assist with troubleshooting, fixing the errors, and upgrading your website. Let’s discuss your specific requireme Mer

$540 USD inom 9 dagar
(147 omdömen)
7.3
techwelfare

JOOMLA EXPERT! I am working on joomla and php since last 10 years. I could do it. Could we discuss in details over chat now? Best Regards Techwelfare

$500 USD inom 30 dagar
(247 omdömen)
7.6
kanika6665

Dear Anush, I am Kanika, a seasoned website developer with expertise in Joomla, PHP, HTML, CSS, and MySQL. I have a solid track record of troubleshooting and fixing Joomla errors, as well as upgrading sites to the lat Mer

$585 USD inom 8 dagar
(80 omdömen)
7.0
bdweb

As an experienced Joomla and Virtuemart expert with a skill set that spans across extensive PHP knowledge, proficient troubleshooting, design layout, and server configuration, I am confident in my ability not only to f Mer

$500 USD inom 7 dagar
(332 omdömen)
7.1
Eminencehub

Being within the top 5k members on this platform and in the top 4% of freelancers, I don't just bring skill and experience to the table, but also a commitment to client satisfaction. With over 150+ companies in my port Mer

$500 USD inom 7 dagar
(142 omdömen)
6.5
AITSoft

Greetings, I have a deep understanding of your requirements for fixing critical errors on your Joomla site, upgrading it to the latest versions, and updating custom extensions/modules. With my expertise in Joomla, PHP Mer

$750 USD inom 12 dagar
(18 omdömen)
6.8