diff --git a/lib/polyfills.js b/lib/polyfills.js
new file mode 100644
index 0000000..f59b5c6
--- /dev/null
+++ b/lib/polyfills.js
@@ -0,0 +1,19 @@
+//! Was added to support NodeJS 10.
+if (!Promise.allSettled) {
+  Promise.allSettled = function (promises) {
+    return Promise.all(
+      promises.map((p) =>
+        Promise.resolve(p).then(
+          (value) => ({
+            status: 'fulfilled',
+            value,
+          }),
+          (error) => ({
+            status: 'rejected',
+            reason: error,
+          }),
+        ),
+      ),
+    );
+  };
+}
diff --git a/lib/report-portal-client.js b/lib/report-portal-client.js
index b76de1d..b34ddac 100644
--- a/lib/report-portal-client.js
+++ b/lib/report-portal-client.js
@@ -7,6 +7,7 @@ const { getClientConfig } = require('./commons/config');
 const Statistics = require('../statistics/statistics');
 const { EVENT_NAME } = require('../statistics/constants');
 const { RP_STATUSES } = require('./constants/statuses');
+require('./polyfills');
 
 const MULTIPART_BOUNDARY = Math.floor(Math.random() * 10000000000).toString();
 
@@ -581,32 +582,38 @@ class RPClient {
 
     itemObj.finishSend = true;
     this.logDebug(`Finish all children for test item with tempId ${itemTempId}`);
-    Promise.all(
+    Promise.allSettled(
       itemObj.children.map((itemId) => this.map[itemId] && this.map[itemId].promiseFinish),
-    ).then(
-      () => {
+    )
+      .then((results) => {
+        if (this.debug) {
+          results.forEach((result, index) => {
+            if (result.status === 'fulfilled') {
+              this.logDebug(
+                `Successfully finish child with tempId ${itemObj.children[index]}
+                 of test item with tempId ${itemTempId}`,
+              );
+            } else {
+              this.logDebug(
+                `Failed to finish child with tempId ${itemObj.children[index]}
+                of test item with tempId ${itemTempId}`,
+              );
+            }
+          });
+        }
+
         this.cleanMap(itemObj.children);
-        this.logDebug(
-          `All children for test item with tempId ${itemTempId} successfully finished.`,
-        );
+
         this.logDebug(`Finish test item with tempId ${itemTempId}`, finishTestItemRQ);
         this.finishTestItemPromiseStart(
           itemObj,
           itemTempId,
           Object.assign(finishTestItemData, { launchUuid: this.launchUuid }),
         );
-      },
-      () => {
-        this.cleanMap(itemObj.children);
+      })
+      .catch(() => {
         this.logDebug(`Error finish children of test item with tempId ${itemTempId}`);
-        this.logDebug(`Finish test item with tempId ${itemTempId}`, finishTestItemRQ);
-        this.finishTestItemPromiseStart(
-          itemObj,
-          itemTempId,
-          Object.assign(finishTestItemData, { launchUuid: this.launchUuid }),
-        );
-      },
-    );
+      });
 
     return {
       tempId: itemTempId,