diff --git a/DuckDuckGo-macOS.xcodeproj/project.pbxproj b/DuckDuckGo-macOS.xcodeproj/project.pbxproj
index d5532d5f70..1487800c62 100644
--- a/DuckDuckGo-macOS.xcodeproj/project.pbxproj
+++ b/DuckDuckGo-macOS.xcodeproj/project.pbxproj
@@ -15717,8 +15717,8 @@
 			isa = XCRemoteSwiftPackageReference;
 			repositoryURL = "https://github.com/duckduckgo/BrowserServicesKit";
 			requirement = {
-				kind = exactVersion;
-				version = 237.1.0;
+				branch = "mgurgel/duckplayer-custom-error";
+				kind = branch;
 			};
 		};
 		9FF521422BAA8FF300B9819B /* XCRemoteSwiftPackageReference "lottie-spm" */ = {
diff --git a/DuckDuckGo-macOS.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/DuckDuckGo-macOS.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
index b99ee2ce38..45e7442c56 100644
--- a/DuckDuckGo-macOS.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/DuckDuckGo-macOS.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -32,8 +32,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/duckduckgo/BrowserServicesKit",
       "state" : {
-        "revision" : "92f57bfcf15258a360f6df8a48da756491683fe0",
-        "version" : "237.1.0"
+        "branch" : "mgurgel/duckplayer-custom-error",
+        "revision" : "130692f3d84c9defa811b205603f9a7c5c3654d9"
       }
     },
     {
@@ -41,8 +41,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/duckduckgo/content-scope-scripts",
       "state" : {
-        "revision" : "874b27ad51d1784c934760c85493f78e609c4409",
-        "version" : "7.18.0"
+        "branch" : "pr-releases/pr-1421",
+        "revision" : "371b1a444ac9ebcf553f708f9c759f1f5777fcdc"
       }
     },
     {
diff --git a/DuckDuckGo/Statistics/GeneralPixel.swift b/DuckDuckGo/Statistics/GeneralPixel.swift
index 77898e6344..8a5b2489ae 100644
--- a/DuckDuckGo/Statistics/GeneralPixel.swift
+++ b/DuckDuckGo/Statistics/GeneralPixel.swift
@@ -136,6 +136,14 @@ enum GeneralPixel: PixelKitEventV2 {
     case duckPlayerNewTabSettingsOff
     case duckPlayerContingencySettingsDisplayed
     case duckPlayerContingencyLearnMoreClicked
+    case duckPlayerYouTubeSignInErrorImpression
+    case duckPlayerYouTubeAgeRestrictedErrorImpression
+    case duckPlayerYouTubeNoEmbedErrorImpression
+    case duckPlayerYouTubeUnknownErrorImpression
+    case duckPlayerYouTubeSignInErrorDaily
+    case duckPlayerYouTubeAgeRestrictedErrorDaily
+    case duckPlayerYouTubeNoEmbedErrorDaily
+    case duckPlayerYouTubeUnknownErrorDaily
 
     // Temporary Overlay Pixels
     case duckPlayerYouTubeOverlayNavigationBack
@@ -685,6 +693,22 @@ enum GeneralPixel: PixelKitEventV2 {
             return "duckplayer_mac_contingency_settings-displayed"
         case .duckPlayerContingencyLearnMoreClicked:
             return "duckplayer_mac_contingency_learn-more-clicked"
+        case .duckPlayerYouTubeSignInErrorImpression:
+            return "duckplayer_mac_youtube-signin-error_impression"
+        case .duckPlayerYouTubeAgeRestrictedErrorImpression:
+            return "duckplayer_mac_youtube-age-restricted-error_impression"
+        case .duckPlayerYouTubeNoEmbedErrorImpression:
+            return "duckplayer_mac_youtube-no-embed-error_impression"
+        case .duckPlayerYouTubeUnknownErrorImpression:
+            return "duckplayer_mac_youtube-unknown-error_impression"
+        case .duckPlayerYouTubeSignInErrorDaily:
+            return "duckplayer_mac_youtube-signin-error_daily-unique"
+        case .duckPlayerYouTubeAgeRestrictedErrorDaily:
+            return "duckplayer_mac_youtube-age-restricted-error_daily-unique"
+        case .duckPlayerYouTubeNoEmbedErrorDaily:
+            return "duckplayer_mac_youtube-no-embed-error_daily-unique"
+        case .duckPlayerYouTubeUnknownErrorDaily:
+            return "duckplayer_mac_youtube-unknown-error_daily-unique"
 
             // Duck Player Temporary Overlay Pixels
         case .duckPlayerYouTubeOverlayNavigationBack:
@@ -1341,7 +1365,15 @@ enum GeneralPixel: PixelKitEventV2 {
                 .duckPlayerNewTabSettingsOff,
                 .duckPlayerContingencySettingsDisplayed,
                 .duckPlayerWeeklyUniqueView,
-                .duckPlayerContingencyLearnMoreClicked:
+                .duckPlayerContingencyLearnMoreClicked,
+                .duckPlayerYouTubeSignInErrorImpression,
+                .duckPlayerYouTubeAgeRestrictedErrorImpression,
+                .duckPlayerYouTubeNoEmbedErrorImpression,
+                .duckPlayerYouTubeUnknownErrorImpression,
+                .duckPlayerYouTubeSignInErrorDaily,
+                .duckPlayerYouTubeAgeRestrictedErrorDaily,
+                .duckPlayerYouTubeNoEmbedErrorDaily,
+                .duckPlayerYouTubeUnknownErrorDaily:
             return nil
 
         case .bookmarksSortButtonClicked(let origin),
diff --git a/DuckDuckGo/YoutubePlayer/DuckPlayer.swift b/DuckDuckGo/YoutubePlayer/DuckPlayer.swift
index e9c9896f1b..7c90102ee9 100644
--- a/DuckDuckGo/YoutubePlayer/DuckPlayer.swift
+++ b/DuckDuckGo/YoutubePlayer/DuckPlayer.swift
@@ -59,6 +59,7 @@ struct InitialPlayerSettings: Codable {
         let pip: PIP
         let autoplay: Autoplay
         let focusMode: FocusMode
+        let customError: CustomError
     }
 
     struct PIP: Codable {
@@ -88,6 +89,11 @@ struct InitialPlayerSettings: Codable {
         let state: State
     }
 
+    struct CustomError: Codable {
+        let state: State
+        let signInRequiredSelector: String
+    }
+
     enum State: String, Codable {
         case enabled
         case disabled
@@ -137,6 +143,11 @@ public struct UIUserValues: Codable {
     }
 }
 
+// Custom Error privacy config settings
+struct CustomErrorSettings: Codable {
+    let signInRequiredSelector: String
+}
+
 final class DuckPlayer {
     static let usesSimulatedRequests: Bool = {
         if #available(macOS 12.0, *) {
@@ -178,6 +189,16 @@ final class DuckPlayer {
         isFeatureEnabled = privacyConfigurationManager.privacyConfig.isEnabled(featureKey: .duckPlayer)
         isPiPFeatureEnabled = privacyConfigurationManager.privacyConfig.isSubfeatureEnabled(DuckPlayerSubfeature.pip)
         isAutoplayFeatureEnabled = privacyConfigurationManager.privacyConfig.isSubfeatureEnabled(DuckPlayerSubfeature.autoplay)
+        isCustomErrorFeatureEnabled =
+            privacyConfigurationManager.privacyConfig.isSubfeatureEnabled(DuckPlayerSubfeature.customError)
+
+        // TODO: Check if this logic can be moved into privacyConfig
+        if let customErrorSettingsJSON = privacyConfigurationManager.privacyConfig.settings(for: DuckPlayerSubfeature.customError),
+           let jsonData = customErrorSettingsJSON.data(using: .utf8),
+           let customErrorSettings: CustomErrorSettings = DecodableHelper.decode(jsonData: jsonData) {
+            customErrorSignInRequiredSelector = customErrorSettings.signInRequiredSelector
+        }
+
         self.onboardingDecider = onboardingDecider
 
         mode = preferences.duckPlayerMode
@@ -247,6 +268,13 @@ final class DuckPlayer {
         }
     }
 
+    public func handleYoutubeError(params: Any, message: UserScriptMessage) -> Encodable? {
+        let (volumePixel, dailyPixel) = getPixelsForYouTubeErrorParams(params)
+        PixelKit.fire(NonStandardEvent(dailyPixel), frequency: .daily)
+        PixelKit.fire(NonStandardEvent(volumePixel))
+        return nil
+    }
+
     public func handleGetUserValues(params: Any, message: UserScriptMessage) -> Encodable? {
         encodeUserValues()
     }
@@ -294,7 +322,8 @@ final class DuckPlayer {
         let environment = InitialPlayerSettings.Environment.development
         let locale = InitialPlayerSettings.Locale.en
         let focusMode = InitialPlayerSettings.FocusMode(state: onboardingDecider.shouldOpenFirstVideoOnDuckPlayer ? .disabled : .enabled)
-        let playerSettings = InitialPlayerSettings.PlayerSettings(pip: pip, autoplay: autoplay, focusMode: focusMode)
+        let customError = InitialPlayerSettings.CustomError(state: isCustomErrorFeatureEnabled ? .enabled : .disabled, signInRequiredSelector: customErrorSignInRequiredSelector ?? "")
+        let playerSettings = InitialPlayerSettings.PlayerSettings(pip: pip, autoplay: autoplay, focusMode: focusMode, customError: customError)
         let userValues = encodeUserValues()
 
         /// Since the FE is requesting player-encoded values, we can assume that the first player video setup is complete from the onboarding point of view.
@@ -339,6 +368,8 @@ final class DuckPlayer {
     private var isFeatureEnabledCancellable: AnyCancellable?
     private var isPiPFeatureEnabled: Bool
     private var isAutoplayFeatureEnabled: Bool
+    private var isCustomErrorFeatureEnabled: Bool
+    private var customErrorSignInRequiredSelector: String?
     private let onboardingDecider: DuckPlayerOnboardingDecider
     private var shouldOpenNextVideoOnYoutube: Bool = false
 
@@ -353,6 +384,23 @@ final class DuckPlayer {
             modeCancellable = nil
         }
     }
+
+    private func getPixelsForYouTubeErrorParams(_ params: Any) -> (GeneralPixel, GeneralPixel) {
+        if let paramsDict = params as? [String: Any],
+           let errorParam = paramsDict["error"] as? String{
+                switch errorParam {
+                case "sign-in-required":
+                    return (GeneralPixel.duckPlayerYouTubeSignInErrorImpression, GeneralPixel.duckPlayerYouTubeSignInErrorDaily)
+                case "age-restricted":
+                    return (GeneralPixel.duckPlayerYouTubeAgeRestrictedErrorImpression, GeneralPixel.duckPlayerYouTubeAgeRestrictedErrorDaily)
+                case "no-embed":
+                    return (GeneralPixel.duckPlayerYouTubeNoEmbedErrorImpression, GeneralPixel.duckPlayerYouTubeNoEmbedErrorDaily)
+                default:
+                    return (GeneralPixel.duckPlayerYouTubeUnknownErrorImpression, GeneralPixel.duckPlayerYouTubeUnknownErrorDaily)
+                }
+        }
+        return (GeneralPixel.duckPlayerYouTubeUnknownErrorImpression, GeneralPixel.duckPlayerYouTubeUnknownErrorDaily)
+    }
 }
 
 // MARK: - Privacy Feed
diff --git a/DuckDuckGo/YoutubePlayer/YoutubePlayerUserScript.swift b/DuckDuckGo/YoutubePlayer/YoutubePlayerUserScript.swift
index 64ebf4c222..05248c2f8c 100644
--- a/DuckDuckGo/YoutubePlayer/YoutubePlayerUserScript.swift
+++ b/DuckDuckGo/YoutubePlayer/YoutubePlayerUserScript.swift
@@ -43,6 +43,7 @@ final class YoutubePlayerUserScript: NSObject, Subfeature {
         case setUserValues
         case getUserValues
         case initialSetup
+        case reportYouTubeError
     }
 
     func handler(forMethodNamed methodName: String) -> Subfeature.Handler? {
@@ -56,6 +57,8 @@ final class YoutubePlayerUserScript: NSObject, Subfeature {
             return DuckPlayer.shared.handleSetUserValuesMessage(from: .duckPlayer)
         case .initialSetup:
             return DuckPlayer.shared.initialPlayerSetup(with: webView)
+        case .reportYouTubeError:
+            return DuckPlayer.shared.handleYoutubeError
         default:
             assertionFailure("YoutubePlayerUserScript: Failed to parse User Script message: \(methodName)")
             return nil