delete files older than 180 days and files of 0kb

hi i have below code which is not work very well:

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IF EXIST D:\ZfolderA\LOG.TXT COPY D:\ZfolderA\LOG.TXT D:\ZfolderB\%date:~4,2%%date:~7,2%%date:~10,4%LOG%time:~0,2%%time:~3,2%.TXT
IF EXIST D:\ZfolderA\EIB.TXT COPY D:\ZfolderA\EIB.TXT D:\ZfolderB\%date:~4,2%%date:~7,2%%date:~10,4%EIB%time:~0,2%%time:~3,2%.TXT

rem del /q "D:\ZfolderA\*.TXT"

@echo off
 
set loglocation=D:\ZfolderB\DELOLDFILE.LOG
set olderthan=180
set source=D:\ZfolderB
set extension=TXT

if not exist D:\ZfolderB\DELOLDFILE.LOG  @copy/y nul D:\ZfolderB\DELOLDFILE.LOG  1>nul  2>nul
 
echo Deleting files of 0 kb with the file extension *.%extension% located at %source%.
echo Deleting files of 0 kb with the file extension *.%extension% located at %source%. >> %loglocation%


@echo off & setlocal enableextensions
 
setlocal
set SourcePathA=D:\ZfolderB
for %%f in (%SourcePathA%\*.TXT) do (
  if %%~zf EQU 0 del "%%~ff" & echo %SourcePathA%\@FILE deleted. >> %loglocation%

REM***************
REM here it is not writing the filenames in the logfile. i get "D:\ZfolderB\@FILE deleted."
REM***************
)
endlocal


echo Deleting files older than %olderthan% days with the file extension *.%extension% located at %source%.
echo Deleting files older than %olderthan% days with the file extension *.%extension% located at %source%. >> %loglocation%
 
cd %source%
 
echo List of files to be removed: >> %loglocation%
echo List of files to be removed:
 
FORFILES -p%source% -m*.%extension% -c "CMD /C Echo @FILE" -d-%olderthan%
FORFILES -p%source% -m*.%extension% -c "CMD /C Echo @FILE" -d-%olderthan% >> %loglocation%

REM***************
REM here i get "List of files to be removed:"
REM                 "can't execute  (error 2)"
REM                 "can't execute  (error 2)"
REM                 "can't execute  (error 2)"
REM***************

REM***************
REM these are the 2 errors i receive till here which is where i debuged till now
REM***************

pause

echo Starting delete...
echo Starting delete... >> %loglocation%
date /t >> %loglocation%
time /t >> %loglocation%  
 
FORFILES -p %source% /d -%olderthan% -m *.%extension% -c "CMD /C del %source%\@FILE /q & echo %source%\@FILE deleted." >> %loglocation%
 
echo Log file located at %loglocation%
 
echo Delete finished...
echo Delete finished... >> %loglocation%
date /t >> %loglocation%
time /t >> %loglocation%


maybe i have some syntax errors? please some help.
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