diff --git a/src/common/util/logger.ts b/src/common/util/logger.ts
index 4d01d596..5511292e 100644
--- a/src/common/util/logger.ts
+++ b/src/common/util/logger.ts
@@ -14,8 +14,8 @@ export const logger = winston.createLogger({
     align(),
     printf(
       (info: any) =>
-        `[${info.timestamp}] ${info.level}: ${info.message}
-${info.stack || ''}`
+        `[${info.timestamp}] ${info.stack || `${info.level}: ${info.message}`}
+`
     )
   ),
   transports: [new winston.transports.Console()],
diff --git a/src/common/util/yaml.ts b/src/common/util/yaml.ts
index beaedd71..036fb445 100644
--- a/src/common/util/yaml.ts
+++ b/src/common/util/yaml.ts
@@ -2,25 +2,36 @@ import * as fs from 'fs/promises';
 import * as path from 'path';
 
 import * as YAML from 'js-yaml';
+import {ERRORS} from '@grnsft/if-core/utils';
+
+const {ReadFileError, WriteFileError} = ERRORS;
 
 /**
  * Reads and parses `yaml` file to object.
  */
 export const openYamlFileAsObject = async <T>(filePath: string): Promise<T> => {
-  const yamlFileBuffer = await fs.readFile(filePath, 'utf8');
+  try {
+    const yamlFileBuffer = await fs.readFile(filePath, 'utf8');
 
-  return YAML.load(yamlFileBuffer) as T;
+    return YAML.load(yamlFileBuffer) as T;
+  } catch (error: any) {
+    throw new ReadFileError(error.message);
+  }
 };
 
 /**
  * Saves given `yaml` dump as a file.
  */
 export const saveYamlFileAs = async (object: any, pathToFile: string) => {
-  const dirPath = path.dirname(pathToFile);
-  await fs.mkdir(dirPath, {recursive: true});
-  const yamlString = YAML.dump(object, {noRefs: true});
+  try {
+    const dirPath = path.dirname(pathToFile);
+    await fs.mkdir(dirPath, {recursive: true});
+    const yamlString = YAML.dump(object, {noRefs: true});
 
-  return fs.writeFile(pathToFile, yamlString);
+    return fs.writeFile(pathToFile, yamlString);
+  } catch (error: any) {
+    throw new WriteFileError(error.message);
+  }
 };
 
 /**