I've an issue on my self-hosted Matomo, I use the 4.13.0 version. It's impossible to save a new mesurable element, so I can't add a new website on the plateform. Also, when i check for issues, a message appears : "Oops... There was a problem processing the request. Maybe the server had a temporary issue, or maybe you requested a report with too much data. Try Again. If this error repeats please contact your Matomo administrator for assistance."
Can you help me for that please ? Thanks !
Have a great day,