Michal Kuzela

Just something like this  in here or new activity https://github.com/OrchardCMS/OrchardCore/blob/339d74b251b53393dd510f8ad3027aa17d78500d/src/OrchardCore.Modules/OrchardCore.Forms/Workflows/Activities/ValidateFormFieldTask.cs But I don't know what is the plan with worklfow validations, as here https://docs.orchardcore.net/en/dev/docs/reference/modules/Forms/ is mentioned that it will...

@gvkries I’ll set up the diagnostics now and will let you know as soon as I have more data. Yesterday, I also found a tenant-specific error in the logs: 2025-11-30...

@gvkries There is a method call from background tasks in the stack trace. Is it possible that existing HttpContext would be changed while starting workflow? It should be on another...

> Is your problem only occurring in a background task? No, it is affecting also standard use of CMS - no css/js resources are loaded and maybe more problems. But...

@gvkries Here is the new stack trace - logged in a case when there is no error / prefix mistmatch. Obvious difference is that: Stack trace 1 is triggered during...

@gvkries Hmm, this might indeed be the issue. We’re using the headless variant, so our base URL doesn’t match the CMS/tenant URL. In this case, the base url corresponds to...