upstream in proxy config layer4

Related to this issue: https://github.com/mholt/caddy-l4/issues/394 I host a docker registry behind the layer4 proxy. after updating my opnsense from like 25.7.8? to 26.1 the 'upstream' in the config appear. the error is: Get "https://domain.example.nl/v2/": remote error: tls: internal error old: `listener_wrappers { layer4 { import /usr/local/etc/caddy/caddy.d/*.layer4listener @13861a32-55e6-4375-835e-e197daadb081 tls sni *.example.nl route @13861a32-55e6-4375-835e-e197daadb081 { proxy tcp/192.168.1.19:443 { } } @221d6978-8953-4cd3-8407-0546a1573984 http host *.example.nl route @221d6978-8953-4cd3-8407-0546a1573984 { proxy tcp/192.168.1.19:80 { } } } tls } ` new: ` listener_wrappers { layer4 { import /usr/local/etc/caddy/caddy.d/*.layer4listener @13861a32-55e6-4375-835e-e197daadb081 tls sni *.example.nl route @13861a32-55e6-4375-835e-e197daadb081 { proxy { upstream tcp/192.168.1.19:443 { } } } @221d6978-8953-4cd3-8407-0546a1573984 http host *.example.nl route @221d6978-8953-4cd3-8407-0546a1573984 { proxy { upstream tcp/192.168.1.19:80 { } } } } tls } ` unfortunalty no error at caddy is logged. Where can I began to search?