Improve logging for Gamma error detection

src/callGamma.js

@@ -7,6 +7,7 @@ const callGamma = async (methodSpecs, callParamsObject) => {
 		const endpoint = config.endpoints[methodSpecs.endpoint];
 		const client = await soap.createClient(endpoint);
 		const callDetails = getXml(callParamsObject, methodSpecs);
+		config.debug(`Using endpoint: ${endpoint}`);
 		config.debug(callDetails);
 
 		const rawResponse = await client.ReceiveData({ value: callDetails });
@@ -18,7 +19,13 @@ const callGamma = async (methodSpecs, callParamsObject) => {
 		if (response.hasOwnProperty("Message")) throw new ReferenceError(response.Message);
 		return response;
 	} catch (error) {
-		throw new Error(`The response from the Gamma server could not be parsed correctly. The error was "${error}"`);
+		throw new Error(
+			`The response from the Gamma server could not be parsed correctly. The error was "${JSON.stringify(
+				error,
+				null,
+				2
+			)}"`
+		);
 	}
 };