/opt/theos/Prefix.pch:20:12: fatal error: could not build module 'UIKit'

[lgq2015]

^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
While building module 'UIKit' imported from /opt/theos/Prefix.pch:20:
In file included from :2:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.0.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIKit.h:9:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.0.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIKitCore.h:13:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.0.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIColor.h:13:9: fatal error: could not build module 'CoreImage'
#import <CoreImage/CoreImage.h>

While building module 'UIKit' imported from /opt/theos/Prefix.pch:20:
While building module 'FileProvider' imported from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.0.sdk/System/Library/Frameworks/UIKit.framework/Headers/NSFileProviderExtension.h:15:
In file included from <module-includes>:1:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.0.sdk/System/Library/Frameworks/FileProvider.framework/Headers/FileProvider.h:28:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.0.sdk/System/Library/Frameworks/FileProvider.framework/Headers/NSFileProviderTesting.h:251:33: error: declaration of 'NSFileProviderItemFields' must be imported from module 'FileProvider.NSFileProviderReplicatedExtension' before it is required
@property (readonly, nonatomic) NSFileProviderItemFields changedFields;
                               ^
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS15.0.sdk/System/Library/Frameworks/FileProvider.framework/Headers/NSFileProviderReplicatedExtension.h:90:32: note: declaration here is not visible
typedef NS_OPTIONS(NSUInteger, NSFileProviderItemFields) {
                              ^
In file included from <built-in>:1:
/opt/theos/Prefix.pch:20:12: fatal error: could not build module 'UIKit'
                       #import <UIKit/UIKit.h>