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Hello everyone! I'm a bit in panic mode as I'm opening a multi-vendor marketplace tomorrow. I use the JA Marketplace module that worked perfectly fine until a few hours ago. I can't upgrade it nor enable it again. It says:

Cannot enable module jmarketplace. Unable to install override: The method getAvailableCarrierList in the class Carrier is already overridden by the module jmarketplace version 6.0.40 at 2019-02-10 16:42:13 .

I searched on the net and it says I should change/remove a line in the override folder but I'm not sure where exactly etc. And I'm scared of making a mistake.

Can anyone help? It's a "future at stake" issue for us. Although I'm sure it is fixable. 

I'm willing to give any info requested.

Thank you very much!


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Try to change the function name from getAvailableCarrierList to getAvailableCarrierListOld in the override/classes/Carrier.php file and then upgrade the module again.

After that check if it added the function getAvailableCarrierList again to the Carrier.php file.

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