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Magento 2 - fix duplicate categories IDs

We encounter on Magento 2.2. errors like:

1 exception(s):

Exception #0 (Exception): Item (Magento\Catalog\Model\Category\Interceptor) with the same ID "100" already exists.

Exception #0 (Exception): Item (Magento\Catalog\Model\Category\Interceptor) with the same ID "100" already exists.

#0 /var/www/lampesecoenergie2/web/current/vendor/magento/module-eav/Model/Entity/Collection/[login to view URL](307): Magento\Framework\Data\Collection->addItem(Object(Magento\Catalog\Model\Category\Interceptor))

#1 /var/www/lampesecoenergie2/web/current/vendor/magento/module-eav/Model/Entity/Collection/[login to view URL](1123): Magento\Eav\Model\Entity\Collection\AbstractCollection->addItem(Object(Magento\Catalog\Model\Category\Interceptor))

We need you to (carefully) fix this. This Magento 2 multistore is in development so we might encounter more errors.

We need someone professional who backups before starting to work, is good in communicating and has experience. Urgent needed

Skills: Magento, MySQL, SQL, PHP, eCommerce

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About the Employer:
( 11 reviews ) Sargodha, Pakistan

Project ID: #20748979

22 freelancers are bidding on average $12/hour for this job

hardikmemagara

Hello, I will complete your every requirement as per your need that you have mentioned in your job details. We are group of magento experts. Will support after the work done as well. so please Come to the discussion a More

$12 USD / hour
(596 Reviews)
7.9
planetweb123

Hello, Greetings !! Note - This proposal has been drafted exclusively for your project so please do take a look. Please browse some of my e-commerce Magento portfolios: Magneto 2 [login to view URL] h More

$14 USD / hour
(38 Reviews)
7.2
zyeloncomputech

Hi sir, Thank you for giving opportunity for biding... I have gone through your requirements and I can fix issue according to your exact requirements. I have 9+ Experience in Magneto , PHP, Symfony, Shopify , Larave More

$15 USD / hour
(219 Reviews)
7.0
sstechwebindia

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$20 USD / hour
(219 Reviews)
7.1
davidsdigital

Hello there, I don't want to polish myself or waste your time with a copy paste proposal. I just need some access to the site or a backup to set it up. This error is usually connected to a database issue and if so it More

$10 USD / hour
(46 Reviews)
6.9
leemilun

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$12 USD / hour
(61 Reviews)
6.4
Lavlu

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(37 Reviews)
6.9
Mangal01

Dear Client, Greetings!! I work on all the versions of Magento and currently updated myself with Magento 2.3.0 experience. I have 7+ your experience in Magento. I primarily work on web-development using MagentoCE an More

$8 USD / hour
(104 Reviews)
6.4
hawkscodes

Hi, I can start right now. I understood this exception error you are getting in your Magento 2 store but the cost should be in fixed price of 50 USD. I have +8 years of experience in Magento and also have +5 years More

$15 USD / hour
(89 Reviews)
5.9
amitmishra2u

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(8 Reviews)
5.4
overtservices

Hello, How are you? Hope you are doing good. I am highly interested in your project. I have reviewed all your requirement you have mentioned above in your job description. I believe I can manage your task efficiently. More

$8 USD / hour
(41 Reviews)
5.1
shexanearl

Hello There, I've read the description of your project. I can help you with this bug. Looking forward to hearing from you. Thanks, Toto

$8 USD / hour
(9 Reviews)
3.7
bhartimalu

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$8 USD / hour
(7 Reviews)
3.4
CanvasInfotech10

Hello Sir, I read through the job details extremely carefully and I am absolutely sure that I can do the project very well. I can achieve the results with my team of developers, designers, QA and Project Manager an More

$16 USD / hour
(1 Review)
1.6
rahul0000poo

Hello client. I have 5+ year's experience in magento. I have expertise in theme and module development and customization. from last 2 year's working on magento 2. I have done more than 25 project's based on magento. T More

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(5 Reviews)
1.3
agulraze

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$11 USD / hour
(0 Reviews)
0.0
Dreamachievers

Hello Monali here, I hope you are doing well. We have checked your job description carefully and we are keen to get an opportunity to work on your project and Capable to Doing all requirement... 100% sure we will deli More

$15 USD / hour
(0 Reviews)
0.0
ajaygupta493

We understand the scope of this project is to design and develop a professional e-commerce website for you . We understand the importance of simplicity in user experience for any e-commerce website, as well as your ne More

$11 USD / hour
(0 Reviews)
0.0
zecratech

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$10 USD / hour
(0 Reviews)
0.0
mahendiran45

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$8 USD / hour
(0 Reviews)
0.0