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Solve a little problem in a joomla website

After upgrade my website from joomla 3.75 to 3.8 My website got an error

Warning: fopen(): Unable to find the wrapper "buffer" - did you forget to enable it when you configured PHP? in /home/curso/public_html/libraries/src/Client/[url removed, login to view] on line 1159

Warning: fopen(buffer://tmp): failed to open stream: Operation now in progress in /home/curso/public_html/libraries/src/Client/[url removed, login to view] on line 1159

Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/curso/public_html/libraries/src/Client/[url removed, login to view] on line 1160

I need someone to help me solve this. You can see the website working on

[url removed, login to view]

Skills: Joomla, PHP

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About the Employer:
( 0 reviews ) Brazil

Project ID: #15232119

35 freelancers are bidding on average $32 for this job

rabbul

Hi I am confident to fix the issue. =============================================================================== thanks

$25 USD in 1 day
(632 Reviews)
8.4
joomextensions

Hello, I have read your project details and your [login to view URL] also viewed your website linked. Yes we can solve your problems with joomla website. We are top most Joomla Freelancer to work with and have great More

$100 USD in 2 days
(165 Reviews)
8.0
joomlamanager

Hello there, My name is Adeola and I can resolve the issue with your Joomla website. I can get started immediately. Regards Adeola

$25 USD in 1 day
(446 Reviews)
7.7
chapter19vw

"Hello, I can easily fix all the errors of your website and will proper examine the warnings. I will make sure my changes would not affect the functionality and quality of website . I am a PHP/Joomla/HTML5/CSS3 exp More

$44 USD in 3 days
(96 Reviews)
7.5
vamir

Hi, I have read your job description very carefully and understood that you require an web developer. I have more than 6+years’ experience in Web Design & development Like WordPress, Woocommerce, Shopify, Joomla, More

$84 USD in 1 day
(278 Reviews)
7.2
dbuglab

Hello *I am ready to do your work((Solve a little problem in a joomla website )) ASAP. So just send me your details for the kick start*** Warm regards Mukesh

$25 USD in 1 day
(99 Reviews)
6.9
sat12

Hi, I am Joomla,PHP programmer having 5 years of experience. I am very good in wordpress,php,mysql,joomla. I have done highest projects here in Joomla. Recently done these projects [login to view URL] More

$35 USD in 1 day
(382 Reviews)
6.8
VnBestSolutions

Dear Sir. I had read your descriptions about project. Kindly give me a chance, i would like to discuss more about project and sure everything clear. I am a developer very strong in below skills. + Core: Php, Ruby, J More

$55 USD in 1 day
(168 Reviews)
6.7
bdweb

Hi I am very much interested to work on your project and available to start now. I would like to discuss more detail over message board. thanks Md. Nasirul Huq For my existing work & resume please visit More

$30 USD in 1 day
(301 Reviews)
7.0
$25 USD in 1 day
(75 Reviews)
6.0
icreatewebtech

Hello, I am professional Joomla developer and Designer from India. I am playing with Joomla from last 5 years. Can we discuss? Work with me I am sure you will get 100% satisfied work from me. You can also take More

$25 USD in 1 day
(109 Reviews)
6.1
$35 USD in 0 days
(143 Reviews)
6.5
OECWeb

I have check you website. But I not found error on the website ? Can you tell me details ? Hope I can help you this job

$25 USD in 1 day
(111 Reviews)
6.0
phpfreelancer86

Hello Sir, I've reviewed your requirement and I'm ready to work with you.I have almost 7+ years of experience in web development. I will provide quality work as well full support for any query. I'm giving you tr More

$25 USD in 0 days
(114 Reviews)
5.9
sr33raj

i can help you to fix the error on your joomla site

$20 USD in 0 days
(143 Reviews)
5.9
vismat

Respected Sir/Madam, I am an expert in web development AND Designing. I would love to have the opportunity to discuss your project with you. I have 6+ experience in the following languages. Such as: - HTML5,PHP, More

$55 USD in 1 day
(16 Reviews)
5.4
$25 USD in 1 day
(72 Reviews)
5.4
jwsolution

Hello, I read through the project details extremely carefully and I am absolutely sure that I can do the project very well. Regarding this error some php library missing or not support due to this happen. we have to More

$25 USD in 1 day
(60 Reviews)
5.5
vkrahu

Hello, i have checked the requirements and understood the problem. I am good with joomla and i can resolve the issue. Please PM me for further discussion. Thanks, Rahul

$30 USD in 1 day
(49 Reviews)
5.6
atharvwebtech

Hi Greetings I read your requirements and understood.i have good developer [login to view URL] are expertise on designing and development, Photoshop, illustrator, Android App, IOS App, HTML5, Css3, Photoshop, Jquery, Javascrip More

$40 USD in 1 day
(49 Reviews)
5.4