Непредвиденное значение. Вызов команды в цикле

@echo off
SETLOCAL EnableDelayedExpansion enableextensions
 
SQLCMD -S (local) -E -Q "BACKUP DATABASE demo TO DISK = 'E:\Stuff\MSSQLBackups\1\demo.bak' WITH INIT, FORMAT, STATS = 1, CHECKSUM, COMPRESSION"
 
for /f "tokens=*" %%i in (bases.txt) do (
set input=%%i
 
for /f "tokens=* delims= " %%a in ("!input!") do set input=%%a
for /l %%a in (1,1,200) do if "!input:~-1!"==" " set input=!input:~0,-1!
 
if not !input:~-5!==_copy (
 
)
)
 
А когда в цикле:
 
@echo off
SETLOCAL EnableDelayedExpansion enableextensions
 
for /f "tokens=*" %%i in (bases.txt) do (
set input=%%i
 
for /f "tokens=* delims= " %%a in ("!input!") do set input=%%a
for /l %%a in (1,1,200) do if "!input:~-1!"==" " set input=!input:~0,-1!
 
if not !input:~-5!==_copy (
SQLCMD -S (local) -E -Q "BACKUP DATABASE demo TO DISK = 'E:\Stuff\MSSQLBackups\1\demo.bak' WITH INIT, FORMAT, STATS = 1, CHECKSUM, COMPRESSION"
)
)

if not !input:~-5!==_copy (
SQLCMD -S (local) -E -Q "BACKUP DATABASE demo TO DISK = 'E:\Stuff\MSSQLBackups\1\demo.bak' WITH INIT, FORMAT, STATS = 1, CHECKSUM, COMPRESSION"
)

if not !input:~-5!==_copy (
SQLCMD -S ^(local^) -E -Q "BACKUP DATABASE demo TO DISK = 'E:\Stuff\MSSQLBackups\1\demo.bak' WITH INIT, FORMAT, STATS = 1, CHECKSUM, COMPRESSION"
)

@echo off
SETLOCAL EnableDelayedExpansion enableextensions
 
for /f "delims=" %%i in (bases.txt) do (
 for /f %%j in ("%%i") do (
  set "input=%%j"
  for /l %%n in (1,1,200) do if "!input:~-1!"==" " set "input=!input:~0,-1!"
  if not "!input:~-5!"=="_copy" (
   rem Строка ниже работает отдельно? Сама по себе? И почему в строке (local), не встречал подобных ключей.
   SQLCMD -S (local) -E -Q "BACKUP DATABASE demo TO DISK = 'E:\Stuff\MSSQLBackups\1\demo.bak' WITH INIT, FORMAT, STATS = 1, CHECKSUM, COMPRESSION"
  )
 )
)
 
pause