[NTG-context] Triaging tikz error: Cannot parse this coordinate

After some time, I could write a minimal example with tikz with strange error: Cannot parse this coordinate. Can someone help me to find the bug? I attach the file and the log. Help very appreciate I run $ context --version mtx-context | ConTeXt Process Management 1.04 mtx-context | mtx-context | main context file: /usr/share/texmf-dist/tex/context/base/mkiv/context.mkiv mtx-context | current version: 2023.03.10 12:15 mtx-context | main context file: /usr/share/texmf-dist/tex/context/base/mkxl/context.mkxl mtx-context | current version: 2023.03.10 12:15 via texlive (arch) Thanks, Xavier