bugfix for resolving a action class, handle errors and write to log

packages/runner/_run.ts

@@ -29,8 +29,15 @@ async function run(config: object) {
 
     for (const actionConfig of config.actions) {
 
+        let ActionClass
+
         // resolve action class
-        const ActionClass = await import(resolveActionClass(actionConfig.class))
+        try {
+            ActionClass = await import(resolveActionClass(actionConfig.class))
+        } catch(error) {
+            logger(config.slug).error('runner / resolve action class / ' + error)
+            continue
+        }
 
         // options are exists, add to docket
         if (actionConfig.hasOwnProperty('options')) {