How To Fix OT420 - Package reserved

OT420 - Overview

• Message type: E = Error

• Message class: OT - SAP Online Correction Support (SOCS)

• Message number: 420

• Message text: Package reserved

What causes this issue?

<ZH>Package Delivery Event</>
<ZK>Software Component</>,,<ZK>PAKID</>,,&v1&
<ZK>Delivery Event</>,,<ZK>ALEID</>,,&v2&
<ZK>Delivery Track</>,,<ZK>ALSID</>,,&v3&
<ZK>Group (Maintenance/Installation),,PACKAGE_GROUP</>,,&v4&

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

OT420 - Details

• The SAP error message OT420 "Package reserved" typically occurs when there is an attempt to transport or modify a package that has been reserved for a specific purpose or is locked for changes. This can happen in various scenarios, such as during transport requests, when trying to modify objects in a package, or when working with development objects.
  
  Cause:
  
  Package Lock: The package is locked because it is currently being used by another user or process.
  Transport Request: The package is part of a transport request that is currently being processed or has been reserved for a specific transport.
  Authorization Issues: The user may not have the necessary authorizations to modify or transport the package.
  Development Class: The package is associated with a development class that has restrictions on modifications.
  
  
  Solution:
  
  Check Package Status: Verify if the package is currently locked. You can do this by checking the transport logs or using transaction SE03 (Transport Organizer Tools)