How To Fix CACSDET105 - RFC error: &1&2

SAP Error Message - Details

• Message type: E = Error

• Message class: CACSDET - Messages for Determination

• Message number: 105

• Message text: RFC error: &1&2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACSDET105 - RFC error: &1&2 ?

  The SAP error message CACSDET105, which indicates an RFC (Remote Function Call) error, typically arises in the context of SAP's Customer Activity Management (CAM) or similar modules that rely on RFC communication between systems. The error message format CACSDET105 RFC error: &1&2 suggests that there is an issue with the RFC connection, and the placeholders &1 and &2 usually provide additional details about the specific error.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters such as the target system's IP address, port, or user credentials.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  System Availability: The target system may be down or not reachable due to maintenance or other issues.
  Timeouts: The RFC call may be timing out due to long processing times or heavy load on the target system.
  Version Compatibility: There may be compatibility issues between different SAP versions or components.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination: Go to transaction SM59 in the SAP GUI and check the configuration of the RFC destination. Ensure that all parameters are correct and that the connection test is successful.
  Review Authorizations: Check the user credentials used for the RFC connection. Ensure that the user has the necessary authorizations to execute the required functions.
  Check System Status: Verify that the target system is up and running. You can check the system logs or use transaction SM51 to see the status of application servers.
  Increase Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the RFC destination configuration.
  Check for Updates: Ensure that both systems are updated to compatible versions and that any necessary patches have been applied.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: To manage RFC destinations.
  SM21: To check system logs for errors.
  ST22: To check for dumps that may provide more context on the error.
  SICF: To check the status of HTTP services if applicable.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC errors.
  
  
  Logs and Traces: Review the application logs and traces for more detailed error messages that can provide additional context.
  
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.