[NTG-context] Re: How to load external lua library

[krulis.tomas@seznam.cz]

Hello Mr. Hagen,

I am actually using ConTeXt bundled with TeXlive, and I struggled with finding the file tree you mentioned there, so I went into installing the ConTeXt distribution separately. With the current installation (ConTeXt  ver: 2024.12.30 16:14 LMTX  fmt: 2025.1.24  int: english/english), I am hiting this error:

```
token call, execute: ...ext/tex/texmf-context/tex/context/base/mkiv/util-sql.lua:91: attempt to index a boolean value (local 'json')
stack traceback:
        ...ext/tex/texmf-context/tex/context/base/mkiv/util-sql.lua:91: in main chunk
        [C]: in upvalue 'requiem'
        ...xt/tex/texmf-context/tex/context/base/mkiv/l-sandbox.lua:180: in function <...xt/tex/texmf-context/tex/context/base/mkiv/l-sandbox.lua:165>
        (...tail calls...)
        [ctxlua]:2: in main chunk
```

which is rather confusing to me, and doesn't happen with TeXlive. Am I missing a part of the installation, or can I fix this in some other way?
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