build custom ios sdk

Hi,
i am trying to build sdk with help of iOS SDK · Jitsi Meet Handbook
i am getting error:
/Users/suraj/Documents/live/jitsi/jitsi-meet/ios/Pods/Target Support Files/Pods-JitsiMeetSDK/Pods-JitsiMeetSDK.release.xcconfig:1:1: error: unable to open file (in target “JitsiMeetSDK” in project “sdk”)

command:

    -workspace ios/jitsi-meet.xcworkspace \
    -scheme JitsiMeetSDK  \
    -configuration Release \
    -sdk iphonesimulator \
    -destination='generic/platform=iOS Simulator' \
    -archivePath ios/sdk/out/ios-simulator \
    VALID_ARCHS=x86_64 \
    ENABLE_BITCODE=NO \
    SKIP_INSTALL=NO \
    BUILD_LIBRARY_FOR_DISTRIBUTION=YES ``` for this command.

XCode version: 12.5.1 

can anyone help me?