[NTG-context] Bug with module pgfplots ?

Hello, Following a standalone context update, all files that use the pgfplots module produce the following error message : tex error > tex error on line 85 in file /home/fab/ntg77.tex: ! You can't use `the character 7' after \the <inserted text> 7 \pdflastobj ->\pdffeedback lastobj <argument> /pgfpat4\space \the \pdflastobj \space 0 R \pgf@sys@pdf@pdfbackendset@one ...o \noexpand #1#2 \relax } <argument> ...pattern@instantiate@north west lines\endcsname \expandafter \global \expa... \pgfutil@secondoftwo #1#2->#2 ... l.85 \stopaxis Thanks fabrice