diff --git a/packages/basic.gblib/services/GBVMService.ts b/packages/basic.gblib/services/GBVMService.ts
index f8e15835..59b35b39 100644
--- a/packages/basic.gblib/services/GBVMService.ts
+++ b/packages/basic.gblib/services/GBVMService.ts
@@ -592,7 +592,7 @@ export class GBVMService extends GBService {
       // Setups refresh token mechanism.
       console.log(1);
       console.log(this.tokens);
-      const tokens = this.tokens??.split(',');
+      const tokens = this.tokens ? this.tokens.split(',') : [];
       const interval = 60000; // 1 hour.
 
       for(i in tokens) { 
@@ -890,7 +890,6 @@ export class GBVMService extends GBService {
 
     let variables = [];
 
-
     // These variables will be automatically be available as normal BASIC variables.
 
     try {
@@ -957,6 +956,7 @@ export class GBVMService extends GBService {
     });
 
     sandbox['tokens'] = tokensList.join(',');
+    console.log(sandbox['tokens']);
     sandbox['variables'] = variables;
     sandbox['id'] = sys.getRandomId();
     sandbox['username'] = await dk.userName({ pid });
diff --git a/packages/basic.gblib/services/SystemKeywords.ts b/packages/basic.gblib/services/SystemKeywords.ts
index e75497e5..5e95cbdc 100644
--- a/packages/basic.gblib/services/SystemKeywords.ts
+++ b/packages/basic.gblib/services/SystemKeywords.ts
@@ -1610,7 +1610,6 @@ export class SystemKeywords {
   }
 
 
-  static aa;
   /**
    * Calls any REST API by using GET HTTP method.
    *