diff --git a/modules/ppcp-googlepay/resources/js/GooglepayButton.js b/modules/ppcp-googlepay/resources/js/GooglepayButton.js
index 832768401..ec0f4bd7a 100644
--- a/modules/ppcp-googlepay/resources/js/GooglepayButton.js
+++ b/modules/ppcp-googlepay/resources/js/GooglepayButton.js
@@ -227,8 +227,8 @@ class GooglepayButton extends PaymentButton {
 
 				this.paymentsClient.loadPaymentData( paymentDataRequest );
 			},
-			() => {
-				console.error( '[GooglePayButton] Form validation failed.' );
+			( reason ) => {
+				this.error( 'Form validation failed.', reason );
 			}
 		);
 	}
diff --git a/modules/ppcp-wc-gateway/resources/js/helper/ConsoleLogger.js b/modules/ppcp-wc-gateway/resources/js/helper/ConsoleLogger.js
index 4b8891247..c76aa8960 100644
--- a/modules/ppcp-wc-gateway/resources/js/helper/ConsoleLogger.js
+++ b/modules/ppcp-wc-gateway/resources/js/helper/ConsoleLogger.js
@@ -24,10 +24,20 @@ export default class ConsoleLogger {
 		}
 	}
 
+	/**
+	 * Enable or disable logging. Only impacts `log()` output.
+	 *
+	 * @param {boolean} state True to enable log output.
+	 */
 	set enabled( state ) {
 		this.#enabled = state;
 	}
 
+	/**
+	 * Output log-level details to the browser console, if logging is enabled.
+	 *
+	 * @param {...any} args - All provided values are output to the browser console.
+	 */
 	log( ...args ) {
 		if ( this.#enabled ) {
 			// eslint-disable-next-line
@@ -35,9 +45,14 @@ export default class ConsoleLogger {
 		}
 	}
 
+	/**
+	 * Generate an error message in the browser's console.
+	 *
+	 * Error messages are always output, even when logging is disabled.
+	 *
+	 * @param {...any} args - All provided values are output to the browser console.
+	 */
 	error( ...args ) {
-		if ( this.#enabled ) {
-			console.error( this.#prefix, ...args );
-		}
+		console.error( this.#prefix, ...args );
 	}
 }