How To Fix /IBS/RB256 - Call of target system &1/source system &2 ended with error

/IBS/RB256 - Overview

• Message type: E = Error

• Message class: /IBS/RB -

• Message number: 256

• Message text: Call of target system &1/source system &2 ended with error

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 /IBS/RB256 - Call of target system &1/source system &2 ended with error ?

  The SAP error message /IBS/RB256 Call of target system &1/source system &2 ended with error typically indicates that there was an issue during a data transfer or communication between two systems, often in the context of SAP Integrated Business Solutions (IBS) or similar scenarios where data is exchanged between different SAP systems or between SAP and non-SAP systems.
  Possible Causes:
  
  Network Issues: There may be connectivity problems between the source and target systems, such as network outages or firewall restrictions.
  Configuration Errors: Incorrect configuration settings in either the source or target system can lead to communication failures.
  Authorization Issues: The user or service account used for the data transfer may not have the necessary permissions to access the target system.
  Data Format Issues: The data being sent may not conform to the expected format or structure, leading to processing errors.
  System Downtime: The target system may be down for maintenance or experiencing technical issues.
  Version Compatibility: There