X_ACTION_PATH_STYLE_INVALID
Means
defineApi's http.pathStyle is not a known style
Typical cause
a pathStyle other than 'resource' or 'readable' — a typo, or a value read from config that was never one of the two. Refused at the declaration, before any path is derived under it
Fix
defineApi({ ..., http: { pathStyle: 'readable' } }) — or 'resource', the default