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I got just the error message: "Unable to create C-file". No other details.

What to do?

With kind regrads

Jan Lichtenbelt

Hi Jan,
It compiles OK for me, apart from a few occurrences of .Ext_Address which should be Ext_Address
Is there anything unusual about the location of your project, such as on a Windows read only or protected directory?

Hi LeighM

I forgot that I changed the global compiler output location into: $(srcdir)Flowcode_temp. But the subdirectory Flowcode_temp was not yet declared.

Thanks for help

With kind regards

Jan Lichtenbelt

just to add an additional information on this topic.
if other files in the projects directory (other than .fcf, .hex, .fcf.001) are made hidden, then also this error appears without any extra information