Error message

TypeError: Argument 1 passed to stats_track_downloads() must be an instance of AbstractDatastream, bool given, called in /data/www/drupal/sites/all/modules/dabar/dabar_modules/dabar_core/dabar_core.module on line 456 in stats_track_downloads() (line 535 of /data/www/drupal/sites/all/modules/dabar/dabar_modules/dabar_stats/stats.module).

Error

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