Hello Tom, thank You very much. > We improved that situation in v11, I believe. What I see for this > case these days is per commit 5955d9341: > [...] Ah, well. I don't fully understand that, but as the iessue appears to be known, then that is fine with me. This thing is just bad if one never seriously worked with schemas and has no immediate idea what could have hit - especially when that happens on the top of a stack of open windows with other issues. :( cheers, PMc