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503 error after updating

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Hello everyone, first post. 


We had our shop up and running (in maintenance mode) before we launch next month. Everything was working well until the other day there were 3 updates in the modules section. I dont remember what they were exactly but one was official prestashop i think. Anyways, we started updating the modules.


after the first module updated, it was saying we needed to upgrade out php to 8.1 (we were using 7.4) which we did, but it still doesnt work. we still get 503 error once we log in to the back end. i tried switching back to php v7.4 and every other version and none of them fixes it. we have some modules requiring 8.1 and some requiring older versions.

our site works perfectly fine once we log into the backend, but the backend itself gives 503 error, if that makes sense. ie: if you go to our site not logged in, you get maintenance mode page. if you log into the back end, you get a 503 error instead of the actual back end where you can edit modules and pages. but after logging in we can view our site on the front end fine and all pages work

i just need to know what to do from here so i dont make it worse. can i manually uninstall the modules? manually update the other 2 modules? i dont want to make it worse.


im pretty sure i have the latest prestashop version but i dont know how to check since im getting 503 error on the back office. let me know what info you need and ill reply with it. thanks in advanced

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38 minutes ago, Prestashop Addict said:

Hi please specify PS and PHP version

you clearly didnt read the original post. php v 8.1 and the latest prestashop version. i dont know what it is because i cannot check. i just installed it a couple weeks ago

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Read it ;-), but your PS version? If you know which modules causing issue, just rename folder module like bug_modulename.
Other approach, if you are on multi php fpm or cgi environment, you can specify on apache or ngnix vhost configuration (or .htaccess in somes hostings services) php version for specific directory.

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