Unable to recompile index

script began 17:28:27
caching off
debug mode off
cache time 3600 sec
indmtime not found in cache
cached index is fresh
recompiling index.xml
index compiled in 0.2128 secs
read index
read issues/index.xml
identified 26 volumes, 101 issues
array (
  'vol' => '18',
  'iss' => '1',
)
regenerated static HTML
completed in 0.2257 secs