How To Fix /UI2/INTEROP027 - XML encryption class does not exist in system

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/INTEROP -

• Message number: 027

• Message text: XML encryption class does not exist in system

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 /UI2/INTEROP027 - XML encryption class does not exist in system ?

  The SAP error message /UI2/INTEROP027 XML encryption class does not exist in system typically indicates that the system is missing a required class for XML encryption, which is necessary for certain functionalities, especially in the context of SAP Fiori and UI5 applications.
  Cause:
  
  Missing Class: The error usually arises when the required XML encryption class is not available in the system. This can happen if the necessary components or packages are not installed or activated.
  Incorrect Configuration: There may be configuration issues related to the security settings or the libraries required for XML encryption.
  System Version: The error might also occur if the system version does not support the required encryption features.
  
  Solution:
  
  Check for Required Packages: Ensure that the necessary SAP components for XML encryption are installed. You may need to check the SAP Notes or documentation for the specific components required for your version of SAP.
  Install Missing Classes: If the required classes are missing, you may need to install or activate the relevant packages. This can often be done through the SAP Software Update Manager (SUM) or by using transaction codes like SE80 or SE11 to check for the existence of the class.
  Review Configuration: Check the configuration settings related to XML encryption. This may involve reviewing the settings in transaction SICF (Internet Communication Framework) or STRUST (SSL Server Standard Trust).
  SAP Notes: Look for relevant SAP Notes that address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  System Upgrade: If you are running an older version of SAP, consider upgrading to a more recent version that includes the necessary classes and functionalities.
  Contact SAP Support: If the issue persists after checking the above points, it may be necessary to contact SAP Support for further assistance.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for your specific version to understand the requirements for XML encryption.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE11 (Data Dictionary), SICF (Service Maintenance), and STRUST (SSL Server Standard Trust) for troubleshooting.
  
  By following these steps, you should be able to identify and resolve the issue related to the /UI2/INTEROP027 XML encryption class does not exist in system error message.