Error while trying to create a connection to an oracle data integrator cloud service agent

Summary

When trying to save a database connection associated with a data preparation agent, the following error occurs: Unable to update Oracle DB Client in GG instance with SID information.

Content

After creating an instance of oracle integration cloud service 

When trying to save a database connection associated with a data preparation agent, the following error occurs:

 In the agent log it shows the following:

ERROR Unable to process message. The plugin ( ggmon ) which can handle this message was not configured or null on the agent. The received message is : oracle.dicloud.agent.mediator.dto.AgentMessageDTO@3c53288e : {
  "payloadType" : "oracle.dicloud.platform.common.agent.goldengate.mgmt.GGSIDConnectionPayload",