ffmpeg.a was not found in ffmpeg.xcframework in iOS

[sarwatsajida786]

while building ccviewer in iphone getting below issue
When building for iOS, the expected library /Users/Downloads/ccViewer-1.4.3b/work/ffmpeg.xcframework/ios-arm64/ffmpeg.a was not found in /Users/Downloads/ccViewer-1.4.3b/work/ffmpeg.xcframework

while building ccviewer in simulator getting below issue
When building for iOS Simulator, the expected library /Users/sajida/Downloads/ccViewer-1.4.3b/work/ffmpeg.xcframework/ios-x86_64-simulator/ffmpeg.a was not found in /Users/sajida/Downloads/ccViewer-1.4.3b/work/ffmpeg.xcframework

please give me solution to run the build