Re: flexfax: the document conversion script was not found.

[David Woolley <david@djwhome.demon.co.uk>]

> 
> has anybody seen a similar error message and is able to solve the
> problem?

The error message is misleading, the trace shows that the script was
present but failed.  

>         Status: Unrecoverable error: undefined in to
> 
> Unexpected interpreter error -21.
> Error object: to(d84)name(0x81bfcbc#b9c)
> Execution stack at 0x81485ac:
> 0x81518bc: 0x0f oper --F---e-- 0x0000 0x0806e700 = %interp_exit

You've got either a broken Postscript interpreter or invalid Postscript.

Assuming that you are using ghostscript, try running it in X mode, or
to a printer, on the postscript file.