refactor: disconnected certain errors from tack.js, changed copy text

Author: Daniil-Deriv

src/botPage/view/blockly/index.js

@@ -200,10 +200,7 @@ export const load = (blockStr, dropEvent = {}) => {
     const blocklyXml = xml.querySelectorAll('block');
 
     if (!blocklyXml.length) {
-        const error = new TrackJSError(
-            'FileLoad',
-            translate('XML file contains unsupported elements. Please check or modify file.')
-        );
+        const error = new Error(translate('XML file is empty. Please check or modify file.'));
         globalObserver.emit('Error', error);
         return;
     }
@@ -239,9 +236,11 @@ export const load = (blockStr, dropEvent = {}) => {
         const blockType = block.getAttribute('type');
 
         if (!Object.keys(Blockly.Blocks).includes(blockType)) {
-            const error = new TrackJSError(
-                'FileLoad',
-                translate('XML file contains unsupported elements. Please check or modify file.')
+            const blockId = block.getAttribute('id');
+            const error = new Error(
+                translate(
+                    `The block ${blockId} in the XML file contains unsupported elements.\nTo fix that open XML file in the text editor, search for block id ${blockId}, and check it's attributes for errors.`
+                )
             );
             globalObserver.emit('Error', error);
             throw error;