3134414 - Workspace is locked due to an ongoing upgrade in SAP Central Business Configuration

After clicking Release Transport button in SAP Central Business Configuration system, the transport is stuck without progress for a long time. At the same time, there's an alert showing "The workspace is locked due to an ongoing upgrade. Please wait until the process is completed.".

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental. 

• SAP Central Business Configuration
• SAP S/4HANA Cloud, public edition
  *Valid for 2SL system only

There could be several causes, such as:

• Ongoing system upgrade
• Activation in progress
• Transport release in progress

Please check if there is a planned maintenance window and refer to KBA 2825498 - Planned Maintenance Timelines for S/4HANA Public Cloud and Marketing Cloud System for the timeline. If there is no planned maintenance window, please create a customer case in CBC-CCX component.

SAP S/4HANA Cloud Public Edition, 2-System Landscape & SAP Marketing Cloud – Upgrade & Maintenance Schedule

SAP Central Business Configuration, CBC, project locked, workspace locked, ongoing upgrade, S/4HANA Cloud, Q2P, transport, locked, stuck , KBA , CBC-CCX , Central Customer Experience , SV-CLD-FRM-INF , Implementation Framework Infrastructure , Problem