[ccp4bb]: REFMAC5 error: no associated filename

[Ed Mitchell <mitchell@esrf.fr>]

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    Dear CCP4ers,

    We've been trying to run REFMAC5 on a large structure. As a result
    we've had to recompile with a larger number of chains. Once a
    dictionary has been built for a haem and we run the actual
refinement,
    we obtain a logfile with the last lines as:


  $TEXT:Warning: $$ comment $$
  WARNING: CCPOPN Logical name /tmp/mitchell/refmac5_temp.08537_new1.crd
has no
associated file name
  $$
<!--SUMMARY_END--></FONT></B>
 Open failed: Unit:   7, File: /tmp/mitchell/refmac5_temp.08537_new1.crd
(logica
l: /tmp/mitchell/refmac5_temp.08537_new1.crd)
<B><FONT COLOR="#FF0000"><!--SUMMARY_BEGIN-->
 Last system error message:
 No such file or directory
 Refmac_5.0.36:   Open failed: File:
/tmp/mitchell/refmac5_temp.08537_new1.crd
 Times: User:    1475.8s System:    0.9s Elapsed:   24:43
</pre>
<!--SUMMARY_END--></FONT></B>
<B><FONT COLOR="#FF0000"><!--SUMMARY_BEGIN-->
</html>
<!--SUMMARY_END--></FONT></B>


    We've tried adjusting the default scratch file to a number of places
without success
    (the previous dictionary creation stage runs fine and writes the new
files to the
    /tmp directories - so I do not think it is a permissions issue).

    Has anyone come across this before or has any ideas please? Where
are we
    being daft??

    thanks in advance,

    cheerio ed.