diff --git a/Sources/SwiftDocC/Utility/FoundationExtensions/NoOpSignposterShim.swift b/Sources/SwiftDocC/Utility/FoundationExtensions/NoOpSignposterShim.swift
index 4bd5cfd6f..d0668afc7 100644
--- a/Sources/SwiftDocC/Utility/FoundationExtensions/NoOpSignposterShim.swift
+++ b/Sources/SwiftDocC/Utility/FoundationExtensions/NoOpSignposterShim.swift
@@ -105,6 +105,10 @@ package struct NoOpLogMessage: ExpressibleByStringInterpolation, ExpressibleBySt
         package mutating func appendInterpolation(_ number: @autoclosure @escaping () -> Float, format: NoOpLogFloatFormatting = .fixed, align: NoOpLogStringAlignment = .none, privacy: NoOpLogPrivacy = .auto) {}
         package mutating func appendInterpolation(_ number: @autoclosure @escaping () -> Double, format: NoOpLogFloatFormatting = .fixed, align: NoOpLogStringAlignment = .none, privacy: NoOpLogPrivacy = .auto) {}
         
+        // Append errors
+        package mutating func appendInterpolation(_ error: @autoclosure @escaping () -> any Error, privacy: NoOpLogPrivacy = .auto, attributes: String = "") {}
+        package mutating func appendInterpolation(_ error: @autoclosure @escaping () -> (any Error)?, privacy: NoOpLogPrivacy = .auto, attributes: String = "") {}
+        
         // Add more interpolations here as needed
     }
     
diff --git a/Tests/SwiftDocCTests/Utility/NoOpSignposterShimTests.swift b/Tests/SwiftDocCTests/Utility/NoOpSignposterShimTests.swift
index 66caff16f..403f81d39 100644
--- a/Tests/SwiftDocCTests/Utility/NoOpSignposterShimTests.swift
+++ b/Tests/SwiftDocCTests/Utility/NoOpSignposterShimTests.swift
@@ -65,5 +65,7 @@ final class NoOpSignposterShimTests: XCTestCase {
         
         logger.log(level: .default, "Some aligned values \(12, align: .right(columns: 5)) \("some text", align: .left(columns: 10))")
         
+        struct SomeError: Swift.Error {}
+        logger.error("Some error \(SomeError())")
     }
 }