3449962 - failed to start sub-engine: DPServiceContainer failed to initialize admin socket - SAP Data Intelligence

• Data Intelligence graph fails with error: failed to start sub-engine: DPServiceContainer failed to initialize admin socket.
• Full error from vflow log:

2024-03-26 06:49:21.198373|+0000|FATAL|Graph execution terminated abnormally: group initialization is failed: group=default message=error building graph: error during init of process: component=com.sap.system.process.subengineOperator process=subengineOperator1: subengine operator init error: failed to start sub-engine: DPServiceContainer failed to initialize admin socket: error 98 - Address already in use (Bind failed) (local port 0 to address 0.0.0.0, remote port 40459 to address 127.0.0.1 (localhost)); the following error also happened during shutdown: error while stopping 'com.sap.dh.flowagent' sub-engine: Post "http://localhost:38755/service/stop": dial tcp 127.0.0.1:38755: connect: connection refused|vflow-graph-runtime|vflow-graph-runtime|1|runNode|main.go(289)

Data Intelligence on-prem 3.3

KBA , CA-DI , Data Intelligence , Problem