Downloaded contextbeta as usual: ConTeXt ver: 2010.03.18 14:42 MKIV fmt: 2010.3.20 int: english/ english Suddenly got this error from: \setupinterlinespace[big] ! Missing number, treated as zero. <to be read again> b <argument> b ig \doifdimensionelse ...mensionelse \scratchdimen #1 pt\relax \dosetspecifiedrelativeinterlinespace ...else {#1} {\setupspecifiedinterline... \dosetuprelativeinterlinespace ...erlinespace {#1} \fi \next1 #1,->\dosetuprelativeinterlinespace {#1} \doprocesscommaitem Then did luatools --generate that now broke: 02 ~/Documents/TeX/context/beta/bin: luatools --generate LuaTools | fileio: variable 'SELFAUTOLOC' set to '/Users/hans/ Documents/TeX/context/beta/bin' LuaTools | fileio: variable 'SELFAUTODIR' set to '/Users/hans/ Documents/TeX/context/beta' LuaTools | fileio: variable 'SELFAUTOPARENT' set to '/Users/hans/ Documents/TeX/context' LuaTools | fileio: variable 'TEXMFCNF' set to '{$SELFAUTODIR, $SELFAUTOPARENT}{,{/share,}/texmf{-local,.local,}/web2c}' LuaTools | fileio: no cnf files found (TEXMFCNF may not be set/known) LuaTools | LuaTools | runtime: 0.053 seconds 103 ~/Documents/TeX/context/beta/bin: Switching back to my previous version of contextbeta gave no problems. Processing lustools --generate without problems. Especially the previous culprit now does: LuaTools | fileio: variable 'TEXMFCNF' set to '{$SELFAUTODIR, $SELFAUTOPARENT}{,{/share,}/texmf{-local,.local,}/web2c}' LuaTools | fileio: loading configuration file '/Users/hans/Documents/ TeX/context/beta/tex/texmf/web2c/texmfcnf.lua' WHAT HAPPENED? Hans van der Meer