Exchange 2013 GRT Calendar Item Restore issue

We've noticed that it is impossible to restore a Calendar Item which was in Inbox during backup. Following error is generated in restore log:

11:45:27 (823236.001) MNR - error writing file: %1
11:45:46 (823236.001) INF - GRE EXITING WITH STATUS = 0
11:45:46 (823236.001) Status of restore from copy 1 of image created 2015-10-04 18:09:22 = the requested operation was partially successful

11:45:46 INF - Server status = 1
11:45:46 (823236.001) INF - GRE RESTORED 4 OF 5 FILES SUCCESSFULLY
11:45:46 (823236.001) INF - GRE KEPT 0 EXISTING FILES
11:45:46 (823236.001) INF - GRE PARTIALLY RESTORED 1 FILES

11:45:46 (823236.xxx) INF - Status = the requested operation was partially successful.

11:45:46 INF - Server status = 5
11:45:46 Status of restore from copy 1 of image created 2015-10-04 18:09:22 = the restore failed to recover the requested files

11:45:46 The following files/folders were not restored:
11:45:46 UTF - /Microsoft Exchange Database Availability Groups/dag11/Microsoft Information Store/DB1GASP01/Database/****/Top of Information Store/Skrzynka odbiorcza/****

11:45:47 (823235.xxx) INF - Status = the restore failed to recover the requested files.

And in the ncfgre:

0,51216,158,352,122,1444035291376,46056,7376,0:,78:FS_CloseObj() Failure! Extended Error unknown (-536870147) (../Object.cpp:206),15:Object::close(),1

 

No other errors in another logs have been noticed.

Restore has been done to original location. Another mails from this backup image are being restored successfully. Only Calendar Items from Inbox are causing problems.

NetBackup version is 7.6.0.3 and Exchange is 2013 (Version 15.0 ‎Build 1076.9‎).