Error: 'XML returned from Engine was invalid' when restoring LiteSpeed backup file from TSM (4339323)

Restoring a database from a TSM Backup displays the following error messages:

LiteSpeed Restore failure:
Msg 50000, Level 19, State 1, Line 0
SLS Error: XML returned from Engine was invalid. :
Error Msg: (0)

Windows Application event log:

Event Type: Error
Event Source: Application Error
Event Category: (100)
Event ID: 1000
Date: 08/07/2008
Time: 12:17:11
User: N/A
Computer: computer_name
Description:
Faulting application SQLLitespeedx64.exe, version 5.0.0.3, faulting module SQLLitespeedx64.exe, version 5.0.0.3, fault address 0x000000000000852b.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 46 61 69 6c ion Fail
0010: 75 72 65 20 20 53 51 4c ure SQL
0018: 4c 69 74 65 73 70 65 65 Litespeed
0020: 64 78 36 34 2e 65 78 65 dx64.exe
0028: 20 35 2e 30 2e 30 2e 33 5.0.0.3
0030: 20 69 6e 20 53 51 4c 4c in SQLL
0038: 69 74 65 73 70 65 65 64 itespeed
0040: 78 36 34 2e 65 78 65 20 x64.exe
0048: 35 2e 30 2e 30 2e 33 20 5.0.0.3
0050: 61 74 20 6f 66 66 73 65 at offse
0058: 74 20 30 30 30 30 30 30 t 000000
0060: 30 30 30 30 30 30 38 35 00000085
0068: 32 62 2b