Any luck on this? I’m having the same issue with the Ambiguous identifier problem, rolling the file back, fixing the identifier (even though compiler doesn’t flag it) and even deleting the verse file entirely is not solving it.
I have a detailed report on it here - Failing Verse Persistence after 38.0 for Ambiguous identifier even after fixing or fully removing file - Unable to publish update! - General / Issues and Bug Reporting - Epic Developer Community Forums