When I activate the RankMath plugin on my multisite the woocommerce checkout process gives me a 502 error.
This only happens in the main site, but in the others it works correctly.
The error that appears in the php.log is :
Upstream sent too big header while reading response header from upstream.
I have tried to deactivate RankMath and it works correctly.
Could you help me with this problem ?
The ticket ‘Error 502’ is closed to new replies.