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Unable to unserialize value

‎06-07-2019 06:25 AM
‎06-07-2019 06:25 AM

Unable to unserialize value

Hi,

 

I have a problem in my Magento 2.2.5 shop. I did the migration from magento 1.9.2.1

 

When I want to change the category from a product I get the next error: Unable to unserialize value.

 

I found a lot of solutions for this problem, Like change the Json.php file in vendor/magento/framework/Serialize/Serializer , but when I do this I get a 500 error... 

 

Can someone help me please?

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‎06-11-2019 03:40 AM
‎06-11-2019 03:40 AM

Re: Unable to unserialize value

I found the problem.

There was something wrong in the url_rewrite database (metadata column). Probably wrong transferred during migration from 1.9.2.1

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