diff --git a/db/dump/fixtures.sql b/db/dump/fixtures.sql
index ca8791c21..c91ba71c2 100644
--- a/db/dump/fixtures.sql
+++ b/db/dump/fixtures.sql
@@ -2585,10 +2585,4 @@ INSERT INTO `vn`.`mdbBranch` (`name`)
 INSERT INTO `vn`.`mdbVersion` (`app`, `branchFk`, `version`)
     VALUES
         ('tpv', 'test', '1'),
-        ('lab', 'master', '1'),
-        ('enc', 'test', '1'),
-        ('ent', 'master', '1'),
-        ('com', 'test', '1'),
-        ('eti', 'master', '1'),
-        ('ser', 'test', '1'),
-        ('lib', 'master', '1');
\ No newline at end of file
+        ('lab', 'master', '1');
\ No newline at end of file
diff --git a/loopback/server/datasources.json b/loopback/server/datasources.json
index 86ec7d10f..5dade9c2e 100644
--- a/loopback/server/datasources.json
+++ b/loopback/server/datasources.json
@@ -104,7 +104,7 @@
         "connector": "loopback-component-storage",
         "provider": "filesystem",
         "root": "./storage/access",
-        "maxFileSize": "2621440000",
+        "maxFileSize": "524288000",
         "allowedContentTypes": [
             "application/x-7z-compressed"
         ]
diff --git a/modules/mdb/back/methods/mdbVersion/upload.js b/modules/mdb/back/methods/mdbVersion/upload.js
index fa32fca97..3d54c0250 100644
--- a/modules/mdb/back/methods/mdbVersion/upload.js
+++ b/modules/mdb/back/methods/mdbVersion/upload.js
@@ -1,5 +1,6 @@
 const fs = require('fs-extra');
 const path = require('path');
+const UserError = require('vn-loopback/util/user-error');
 
 module.exports = Self => {
     Self.remoteMethodCtx('upload', {
@@ -68,16 +69,21 @@ module.exports = Self => {
             const destinationFile = path.join(
                 accessContainer.client.root, accessContainer.name, appName, `${newVersion}.7z`);
 
-            if (process.env.NODE_ENV == 'test') {
-                try {
-                    await fs.unlink(srcFile);
-                } catch (e) {}
-            } else {
+            if (process.env.NODE_ENV == 'test')
+                await fs.unlink(srcFile);
+            else {
                 await fs.move(srcFile, destinationFile, {
                     overwrite: true
                 });
                 await fs.chmod(destinationFile, 0o644);
 
+                const existBranch = await models.MdbBranch.findOne({
+                    where: {name: branch}
+                });
+
+                if (!existBranch)
+                    throw new UserError('Not exist this branch');
+
                 const branchPath = path.join(accessContainer.client.root, 'branches', branch);
                 await fs.mkdir(branchPath, {recursive: true});
 
@@ -96,28 +102,17 @@ module.exports = Self => {
                 }
             }
 
-            const version = await models.MdbVersion.findOne({
-                where: {
-                    app: appName,
-                    branchFk: branch
-                }
-            }, myOptions);
-
-            if (!version) {
-                return await models.MdbVersion.create({
-                    app: appName,
-                    branchFk: branch,
-                    version: newVersion
-                });
-            }
-
-            await version.updateAttributes({version: newVersion}, myOptions);
+            await models.MdbVersion.upsert({
+                app: appName,
+                branchFk: branch,
+                version: newVersion
+            });
 
             if (tx) await tx.commit();
         } catch (e) {
             if (tx) await tx.rollback();
 
-            if (await fs.stat(srcFile))
+            if (fs.existsSync(srcFile))
                 await fs.unlink(srcFile);
 
             throw e;