我遇到了从iCloud保存/检索键/值的问题。我的问题实际上是在尝试使用其他设备读取相同的密钥时，将密钥保存到iCloud并检索nil。
调查此问题，我在设备控制台上找到了这个。
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: Dec 3 18:11:16 SecTrustEvaluate [leaf CriticalExtensions IssuerCommonName]
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'aps-environment' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'application-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'aps-environment' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'application-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-container-identifiers' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'aps-environment' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-kvstore-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'application-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-container-identifiers' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'aps-environment' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-kvstore-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'application-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'keychain-access-groups' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-container-identifiers' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'aps-environment' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-kvstore-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'application-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-container-identifiers' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'aps-environment' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'com.apple.developer.ubiquity-kvstore-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'application-identifier' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'aps-environment' has value not permitted by a provisioning profile
Dec 3 18:11:16 iPhone-4S amfid[641] <Error>: entitlement 'application-identifier' has value not permitted by a provisioning profile
我删除了所有配置文件并重新创建，从Xcode中删除它们并重新安装，重启设备，但错误仍在继续。
这是我的权利文件内容（该文件由Xcode自动创建）
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>com.apple.developer.ubiquity-container-identifiers</key>
<array>
<string>$(TeamIdentifierPrefix)com.myCompany.myApp</string>
</array>
<key>com.apple.developer.ubiquity-kvstore-identifier</key>
<string>$(TeamIdentifierPrefix)com.myCompany.myApp</string>
<key>keychain-access-groups</key>
<array>
<string>$(AppIdentifierPrefix)com.myCompany.myApp</string>
</array>
</dict>
</plist>
我该如何解决这个问题？