How To Fix OPP_CORE001 - Could not connect to PPS, creation of REST client failed

OPP_CORE001 - Overview

• Message type: E = Error

• Message class: OPP_CORE - Messages for OPP core functionality

• Message number: 001

• Message text: Could not connect to PPS, creation of REST client failed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OPP_CORE001 - Could not connect to PPS, creation of REST client failed ?

  The SAP error message OPP_CORE001 indicates that there is an issue with the connection to the Process Integration (PI) or Process Orchestration (PO) system, specifically when trying to create a REST client. This error can occur in various scenarios, such as when using the SAP Process Orchestration (PO) or SAP Cloud Platform Integration (CPI) to connect to external systems.
  Causes
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system (PPS).
  Configuration Errors: Incorrect configuration settings in the SAP system or the PPS system can lead to connection failures.
  Authentication Issues: Problems with user credentials or authentication methods can prevent successful connections.
  Service Availability: The PPS service may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security groups may be blocking the necessary ports for communication.
  Incorrect URL: The URL used to connect to the PPS might be incorrect or malformed.
  
  Solutions
  
  
  Check Network Connectivity:
  
  Ensure that