2778837 - Diagnostic Agent error: "com.sap.smd.server.manager.SMDException: [SMDManager.registerAgent] Receive registration for an already existing entry. Registration REJECTED"

In the "smdagent_trace.trc" log you find the following error:

[SMDManager.getAgentEntry] Agent sawslmspaci not found. Returning null.#

#2.0#2024 08 29 04:07:51:210#0-400#Error#com.sap.smd.SMDManager#
#SV-SMG-DIA-SRV-AGT#tc~smd~server~service#C000AC160116001B000006A50019D88C#4088450000000002##com.sap.smd.SMDManager####0623E722C59310058BECAADD147EB3E7#0623e722c59310058becaadd147eb3e7##0#System [35]#Plain##
[SMDManager.registerAgent]
[EXCEPTION]
com.sap.smd.server.manager.SMDException: [SMDManager.registerAgent] Receive registration for an already existing entry. Registration REJECTED 
Existing entry : 
xxxx(xxxx.xxxx.xxxx.com_DAA_SMDA98)
Incoming entry: 
xxxx(xxxx.xxxx.xxxx.com_DAA_SMDA97)
  at com.sap.smd.SMDManager.registerAgent(SMDManager.java:1230)
  at com.sap.smd.SMDManager.registerPendingAgent(SMDManager.java:1095)
  at com.sap.smd.SMDServerHandle.internalRegisterAgent(SMDServerHandle.java:406)
  at com.sap.smd.SMDServerHandle.access$000(SMDServerHandle.java:49)
  at com.sap.smd.SMDServerHandle$AgentRegistrator.run(SMDServerHandle.java:66)
  at com.sap.engine.frame.core.thread.Task.run(Task.java:73)
  at com.sap.engine.core.thread.impl5.SingleThread.execute(SingleThread.java:178)
  at com.sap.engine.core.thread.impl5.SingleThread.run(SingleThread.java:316)

Solution Manager 7.2

Registration REJECTED, Receive registration for an already existing entry, Diagnostic agent , KBA , SV-SMG-DIA-SRV-AGT , Agent Framework , Problem