Не срабатывает откат в зарплате

Доброе время суток.
В СП45 не срабатывает откат на прошлый период в АРМ Зарплата. Валится с ошибкой. Вот текст лога (прикреплять к сообщению форум не дал).
Заранее спасибо.
Код
******************************* Error log file ********************************



Date ............: 16/04/08
Time ............: 13:46:12
Available Memory : 223768

-------------------------- Environmental Information --------------------------

Exact is ........: Off
Fixed is ........: Off
Decimals is at ..: 2
Date Format is ..: dd/mm/yy
Epoch is ........: 1920
Path is .........: D:\B4_PLUS\KS2007\;D:\B4_PLUS\KS2007\SALARY\;D:\B4_PLUS\KS2007\SALARY\ARC\;D:\B4_PLUS\KS2007\SALARY\NP\
Default is ......: 
Exclusive is ....: On
SoftSeek is .....: Off
Unique is .......: Off
Deleted is ......: On
Cancel is .......: On
Debug is ........: True
Color is ........: N/W,W+/N,N/N,N/N,N/W
Cursor is .......: 0
Console is ......: On
Alternate is ....: Off
AltFile is ......: 
Device is .......: SCREEN
Printer is ......: False
PrintFile is ....: PRN
Margin is .......: 0
Bell is .........: Off
Confirm is ......: Off
Escape is .......: On
Insert is .......: Off
Intensity is ....: On
Scoreboard is ...: Off
Delimeters is ...: Off
Delimchars em ...: ::
Wrap is .........: On
Message is ......: 24
MCenter is ......: On

===========================Detailed Work Area Items============================


++++++++++++++++++++ Internal Error Handling Information  +++++++++++++++++++++

Subsystem Call ..: BASE
System Code .....: 1110
Default Status ..: False
Description .....: Неверный аргумент
Operation .......: SUBSTR
Arguments .......:  [ 1] = Type: C Val: [SP44]/ Версия 12.01/01 [ 2] = Type: N Val:          1 [ 3] = Type: U
Involved File ...: 
Dos Error Code ..: 0

 Trace Through:
----------------
SUBSTR                :       0 in Module: 
VERFROMFILE           :   2,871 in Module: util1.prg
REST2UNDOFILE         :   3,788 in Module: u_serv.prg
UNDOFILE              :   3,230 in Module: u_serv.prg
RESTFROMUNDOFILE      :   3,285 in Module: u_serv.prg
(b)QMENU              :     396 in Module: 
QMENU                 :     396 in Module: creamenu.prg
QMENU                 :     394 in Module: creamenu.prg
QMENU                 :     394 in Module: creamenu.prg
MAIN                  :     213 in Module: m_salary.prg


############################## Video Screen Dump ##############################

+--------------------------------------------------------------------------------+
|-----¦  7.¦  5.¦  3. Открытие нового периода     ¦------------------------------|
|-----¦  8.¦  6.¦  4. Откат на предыдущий период  ¦------------------------------|
|-----¦  9.¦  7.L=================================-------------------------------|
|-----¦ 10.¦  8. Техническая настpойка    ¦--------------------------------------|
|-----L====¦  9. О программе              ¦--------------------------------------|
|----------L==============================---------------------------------------|
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|
|--------------------------------------------------------------------------------|
|           Восстановление данных из файла отката предыдущего периода            |
|Error BASE/1110  Неверный аргумент: SUBSTR Arguments: ( [ 1] = Type: C Val: [SP4|
|4]/ Версия 12.01/01 [ 2] = Type: N Val:          1 [ 3] = Type: U)              |
|                                                                                |
|Error at ...: SUBSTR(0) in Module:                                              |
|Called from : VERFROMFILE(2871) in Module: util1.prg                            |
|Called from : REST2UNDOFILE(3788) in Module: u_serv.prg                         |
|Called from : UNDOFILE(3230) in Module: u_serv.prg                              |
|Called from : RESTFROMUNDOFILE(3285) in Module: u_serv.prg                      |
|Called from : (b)QMENU(396) in Module:                                          |
|Called from : QMENU(396) in Module: creamenu.prg                                |
|Called from : QMENU(394) in Module: creamenu.prg                                |
|Called from : QMENU(394) in Module: creamenu.prg                                |
|Called from : MAIN(213) in Module: m_salary.prg                                 |
+--------------------------------------------------------------------------------+
Форум
