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2 bugs in our system probably caused by a Javascript error

We have a system in php/mysql/javascript and since a few weeks, we have a problem with some functionalities (we had this problem previously but it was not frequent). Since the upgrade of our server, that problem occurs often.

We have investigated and it looks like it is a js library that is not loaded the first time. Once we do a refresh, it seems to work well.

We also have another small problem when people pay with Paypal. The session of the user is disconnected and he doesn't receive his "credit" or his object isn't paid in the system. Then, the user connect to his dashboard and he can't see his credit or his object paid.

Kĩ năng: CSS, HTML, Javascript, MySQL, PHP

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Về Bên Thuê:
( 8 nhận xét ) Saint-Georges, Canada

ID dự án: #16666713

Được trao cho:

siawa1985

Hi, Thanks for invitation, i have placed bid . Taking backup of site then setup sandbox and do rest testing Thanks

$350 CAD trong 5 ngày
(451 Đánh Giá)
8.7

55 freelancer đang chào giá trung bình $153 cho công việc này

TakeReal

Hello, My name is Sergey. I am Freelancer from [login to view URL], Russia. I can help you as PHP/Javascript programmer to research both problems and fix them. 1000+ successfully completed projects speak for me. Links Thêm

$140 CAD trong 3 ngày
(1738 Nhận xét)
8.0
tranngocanh1702

Hi, I am Anna with more than 6 years experience in web and cross-platform app development including Hybrid, PHP, Laravel framework, Slim, CodeIgniter, MySQL, PostgreSQL, HTML, CSS, Javascript, jQuery, Vuejs, Ajax, Thêm

$200 CAD trong 5 ngày
(125 Nhận xét)
7.5
Speedycom

Hi there. I'm Alex. I can help you with this and I'm ready to start anytime. Can you give me more details about the project? Please don't hesitate to check my feedback page and see what other clients are writing about Thêm

$120 CAD trong 0 ngày
(211 Nhận xét)
7.3
sunsoftpro

very strong php/mysql/javascript plz contact and discuss more detail with me thank for you read my message.

$221 CAD trong 7 ngày
(188 Nhận xét)
7.4
omtechnologies

Hi, Our Zend Certified PHP Engineers with 9+ years of experience can do your project precisely and exactly as per your requirements. We have expertise in PHP/ MySQL / JQuery / CSS / JavaScript / HTML / XML / SEO / Thêm

$200 CAD trong 3 ngày
(210 Nhận xét)
7.7
Harvey888

Hello I am a bug fix expert. So far I've fixed a lot of bugs in the web space. I have a wealth of experience in bug fixes. If you give me a project, I will submit to you excellent results. I hope to hear from you Thêm

$155 CAD trong 3 ngày
(150 Nhận xét)
7.0
moderninfotech

Hello sir! Thank you for proposal! Very unfortunate that we have been facing problem U thing there are many reasons behind your javascript issue. 1)Javascript Version issue- it may be happened to old javascript ver Thêm

$194 CAD trong 1 ngày
(154 Nhận xét)
7.0
Europa17

Hi there. Nice to meet you. Just checked your description carefully. I can fix your issues immediately since I have rich experience in Javascript and PHP , Mysql. I will provide you perfect result according to your Thêm

$200 CAD trong 3 ngày
(45 Nhận xét)
6.5
webofsolutions

Please send me more details now....i am ready to fix error right now..............................................

$55 CAD trong 3 ngày
(312 Nhận xét)
7.0
caww5

Hi I ready to help you right now I have good experience with javascript php mysql css html all what you need to fix your issue Please show me your errors

$155 CAD trong 1 ngày
(122 Nhận xét)
6.6
florinbacu

A proposal has not yet been provided

$222 CAD trong 3 ngày
(36 Nhận xét)
6.1
indiainfosoft

Hello Sir, I've reviewed your requirement and I'm ready to work with you.I have almost 11+ years of experience in web development. I will provide quality work as well full support for any query. Kindly contact m Thêm

$100 CAD trong 1 ngày
(140 Nhận xét)
6.1
markninja

I will fix your Javascript error TODAY itself. Here are some PHP based websites that required the high level of customization from our portfolio, Please review: (The same level will be required for your website as w Thêm

$246 CAD trong 1 ngày
(34 Nhận xét)
5.8
Codeitsmarts

Hi, I have read your project description. I have few queries before I can begin the work. Can we discuss the same through chat? I shall endeavor to exceed your expectations. I have 5 years of experience in PHP, mysq Thêm

$133 CAD trong 2 ngày
(25 Nhận xét)
5.7
vishalpardhi27

Hi mate, I’d be glad to assist for modification in existing site. I have read description carefully understand requirement and planned to proceed with your requirement. I have 6+ years experience with web developmen Thêm

$150 CAD trong 2 ngày
(51 Nhận xét)
5.8
ssmlrehan0

Hello, Greetings from Rehan Arshad :) I will definitely fix bugs in your website as per your requirements. I am expert in Developing and Designing for a website with great experience of more than 8 years in a Thêm

$100 CAD trong 1 ngày
(55 Nhận xét)
5.6
$250 CAD trong 3 ngày
(91 Nhận xét)
5.7
schoudhary1553

Hi there..... Warm Greetings We came along with your request for 2 bugs in our system probably caused by a Javascript error and we reviewed your project description. We'd like to help you with confidence and sati Thêm

$250 CAD trong 3 ngày
(33 Nhận xét)
5.4
amjadali4888

Hi i have read project description and i am interested to do interesting project please give me chance to work on this project

$35 CAD trong 3 ngày
(63 Nhận xét)
5.1
metsdevphp

Hi i am experienced php developer having 7+ years of experience. Let's discuss further. Give me your site link

$100 CAD trong 2 ngày
(36 Nhận xét)
5.1