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Files that ran well with ver ConTeXt ver: 2021.02.20 16:50 LMTX and earlier now fail with the following message: tex error > tex error on line 74 in file c_Review-0201-01_Bojowald.tex: lua error: run callback [36]: [string "/Applications/LuaMetaTeX/tex/texmf-context/te..."]:1343: attempt to concatenate a boolean value (local 'v') stack traceback: [string "/Applications/LuaMetaTeX/tex/texmf-context/te..."]:1343: in local 'w' [string "/Applications/LuaMetaTeX/tex/texmf-context/te..."]:1358: in function <[string "/Applications/LuaMetaTeX/tex/texmf-context/te..."]:1353> 64 \startparagraph 65 Some facts are compiled in the synthesis. The representations and inscriptions in the stairwells and kiosk show parallels to other cult buildings [702]. In several cases there are allusions to the ritual Opening of the Mouth [702]. 66 \stopparagraph 67 68 \startparagraph 69 In the synopsis, selected texts are compared [711–725]. The parallels are clearly arranged. 70 \stopparagraph 71 72 \startparagraph 73 The book contains bibliography [737–765], indices [767–809], tables [1a–41b], and color tables [1–7]. 74 >> \stopparagraph Is this a bug or has something changed that I am uns=aware of yet? Alan