Hi, the new error message in the last beta isn’t very helpful. Example: \starttext \undefined \stoptext Terminal output: ! Undefined control sequence. system > tex > error on line 2 in file /Users/wolf/context/beta/tex/texmf-context/tex/context/base/cont-yes.mkiv: Undefined control sequence ... 1 %D \module 2 >> %D [ file=cont-yes, 3 %D version=2012.06.01, 4 %D title=\CONTEXT\ Miscellaneous Macros, 5 %D subtitle=Startup Stub, 6 %D author=Hans Hagen, 7 %D date=\currentdate, 8 %D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}] 9 %C 10 %C This module is part of the \CONTEXT\ macro||package and is 11 %C therefore copyrighted by \PRAGMA. See mreadme.pdf for 12 %C details. l.2 \undefined ? Wolfgang