added warning when model is not specified so user knows.

src/specificClass.js

@@ -71,7 +71,7 @@ class Machine {
     this.config = this.configUtils.updateConfig(this.config, {general:{name: this.config.functionality?.softwareType + "_" + machineConfig.general.id}}); // add unique name if not present
 
     if (!this.model || !this.curve) {
-      this.logger.warn(`${!this.model ? 'Model not specified' : 'Curve not found for model ' + this.model} in machineConfig. Cannot make predictions.`);
+      this.logger.error(`${!this.model ? 'Model not specified' : 'Curve not found for model ' + this.model} in machineConfig. Cannot make predictions.`);
       // Set prediction objects to null to prevent method calls
       this.predictFlow = null;
       this.predictPower = null;