Opencover with multiple DLL

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C#

unit-testing

when I tried to run and generate a code coverage report for multiple dll's that code is not working but same code is working for single dll

getting error in the following code

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%TYPEMOCK_PATH% %OPENCOVER_PATH% -register:user -target:%MSTEST% "-targetargs:/testcontainer:%TARGET1% %TARGET2%" -output:%OUTPUT% 

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What I have tried:

SET TYPEMOCK_PATH="C:\ --Path-- \TMockRunner.exe"
SET OPENCOVER_PATH=C:\ --Path--\OpenCover.Console.exe
SET MSTEST="C:\ --Path--\MSTest.exe"
SET TARGET1="C:\ --Path--\Tests1.dll"
SET TARGET2="C:\ --Path--\Tests2.dll"
SET OUTPUT="C:\ --Path--\coverage.xml"

%TYPEMOCK_PATH% %OPENCOVER_PATH% -register:user -target:%MSTEST% "-targetargs:/testcontainer:%TARGET1% %TARGET2%" -output:%OUTPUT% 

SET REPORT="C:\Users\SharmHar\Desktop\jenkins\demo_codeCoverage\coverage.xml" 
SET TARGETDIR="C:\Users\SharmHar\Desktop\jenkins\demo_codeCoverage\report"
SET SOURCEDIR="C:\Users\SharmHar\Desktop\jenkins\demo_codeCoverage"

cd C:\Users\SharmHar\Desktop\UnitBatchCommand\XYZ\

SET REPORTGENERATOR_PATH="C:\Code Coverage\ReportGenerator_4.6.4\net47\ReportGenerator.exe"
%REPORTGENERATOR_PATH% -reports:%REPORT% -targetdir:%TARGETDIR% -sourcedirs:%SOURCEDIR% -assemblyfilters:+*;-TestProject