RecaptchaErrorCode
enum RecaptchaErrorCode : NSInteger {}List of errors that can be returned from the SDK.
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                  Unknown error occurred during the workflow. DeclarationSwift case errorCodeUnknown = 0Objective-C RecaptchaErrorCodeUnknown = 0
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                  reCAPTCHA cannot connect to Google servers, please make sure the app has network access. DeclarationSwift case errorNetworkError = 1Objective-C RecaptchaErrorNetworkError = 1
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                  The site key used to call reCAPTCHA is invalid. DeclarationSwift case errorInvalidSiteKey = 2Objective-C RecaptchaErrorInvalidSiteKey = 2
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                  Cannot create a reCAPTCHA client because the key used cannot be used on iOS. Please register new site key with the key type set to “iOS App” via Create Key. DeclarationSwift case erroInvalidKeyType = 3Objective-C RecaptchaErroInvalidKeyType = 3
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                  Cannot create a reCAPTCHA client because the site key used doesn’t support the calling package. DeclarationSwift case errorInvalidPackageName = 4Objective-C RecaptchaErrorInvalidPackageName = 4
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                  reCAPTCHA cannot accept the action used, see custom action guidelines. DeclarationSwift case errorInvalidAction = 5Objective-C RecaptchaErrorInvalidAction = 5
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                  reCAPTCHA cannot accept timeout provided, see timeout guidelines. DeclarationSwift case errorInvalidTimeout = 6Objective-C RecaptchaErrorInvalidTimeout = 6
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                  No network was found in the device. DeclarationSwift case errorNoNetwork = 7Objective-C RecaptchaErrorNoNetwork = 7
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                  reCAPTCHA has faced an internal error, please try again in a bit. DeclarationSwift case errorCodeInternalError = 100Objective-C RecaptchaErrorCodeInternalError = 100