Diagnosis
A blank entry was written in the correspondence history.

System Response
Correspondence was to be created. However, no data could be found toenter in the correspondence. Because the periods for this type ofcorrespondence are guaranteed to be updated in an unbroken manner, ablank entry in the correspondence history means that no documents weresent for this period. However, the period was to still found to be inorder.

Procedure
No further activites necessary. There were no errors in processing.