[Therion] Problems with export .pdf file [metapost warnings]

[piotr_szukala]

Hi!
After all steps to remove white trianle problem there is still the error: cp
exit code 1. 
There are also some warnings in metapost log file like: Warning: the
turningnumber algorithms do not agree. The current computed value is 1, but the
'connect-the-dots' algorithm returned 0 

What does it exactly mean? Where is the problem that Xtherion still occures
cp exit code 1 error and blocks exporting .pdf file?
I've attached therion.log and data.pdf (generated by -d option)

Best regards
Piotr Szukała
Poland
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