Error: cannot connect to upstream: fastcgi while upgrading from 8.4.2 to 9.0.x

[espouser123]

Disk space and memory are sufficient - we've already checked the server logs and couldn't find anything indicating resource exhaustion or a killed upgrade...

[espouser123]

There were a few log entries regarding failed jobs, likely due to temporary network issues (we’ve already checked and connectivity seems fine now),...

[espouser123]

Hi lazovic

we started using EspoCRM with version 8.0.2 and so far, we haven’t encountered any issues when upgrading to newer versions

[espouser123]

Hi everyone,

We are running EspoCRM in a Kubernetes environment using a custom built Helm chart and are attempting to upgrade from version...