# 500 Oops errors after upgrading
**URL:** https://meta.discourse.org/t/500-oops-errors-after-upgrading/407962
**Category:** Support
**Created:** [July 19, 2026, 12:18am UTC](https://meta.discourse.org/t/500-oops-errors-after-upgrading/407962 "2026-07-19T00:18:36Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@uckelman](https://meta.discourse.org/u/uckelman)
#### Post date: [July 19, 2026, 12:18am UTC](https://meta.discourse.org/t/500-oops-errors-after-upgrading/407962/1 "2026-07-19T00:18:36Z")
After upgrading earlier this evening, I was getting 500 “Oops” error pages and in `/logs` I was seeing errors like this:
```plaintext
PG::InvalidTextRepresentation (ERROR: invalid input syntax for type inet: "unix:"
LINE 7: client_ip = 'unix:',
^
)
```
---
### Author:  [@uckelman](https://meta.discourse.org/u/uckelman)
#### Post date: [July 20, 2026, 6:30am UTC](https://meta.discourse.org/t/500-oops-errors-after-upgrading/407962/2 "2026-07-20T06:30:50Z")
I have Discourse reverse proxied behind Caddy, and it turns out that the solution was to add
```plaintext
header_up X-Real-IP {remote_host}
```
to the `reverse_proxy` section in my `Caddyfile`, which I hadn’t needed before.
I figured out that `X-Real-IP` was needed due to the similar error message in [this post](https://meta.discourse.org/t/how-to-disable-logging-ip-address/192656/4).
I hope this helps someone having a similar problem.
---
### Author:  [@system](https://meta.discourse.org/u/system)
#### Post date: [August 19, 2026, 6:31am UTC](https://meta.discourse.org/t/500-oops-errors-after-upgrading/407962/3 "2026-08-19T06:31:29Z")
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