This is notifying you that the system failure had been occurred in the usage statistics of the institutional fixed-price service as following.
The failure has been recovered and now you can get the correct usage report.
If you use the usage statistics in the following period, please confirm the figure again.
"Usage Report (based on COUNTER, etc.)" on Institutional fixed-price service Administrator Page
From January 1 (Tue.) to January 8 (Tue.), 2013 [JST]
In all report of "Usage Report (based on COUNTER, etc.)", figures for December 2012 had been displayed less than an actual number of hits.