Can't add to a dashboard

See image. When I try to add something to a dashboard I get this error.

Hi @SujjyCentral
Please post “Diagnostic Info” from Admin > Troubleshooting.
And also post the full error trace from Admin > Troubleshooting > Logs.
It sounds like Metabase lost the connection to it’s application database.
Can you provide steps-to-reproduce this problem?

if you find an answer please update as i’m wondering what it could be. i need the information for my salads project and i would really appreciate any info. deeply appreciated. thanks

Well I would just do a query like select count(distinct x) from table

Click add to dashboard, select dashboard and then that pops up

@SujjyCentral @Tibbetts
Please post “Diagnostic Info” from Admin > Troubleshooting.
And also post the full error trace from Admin > Troubleshooting > Logs.
It sounds like Metabase lost the connection to it’s application database.