How To Fix SAI_MAPPING208 - Incompatible class versions (linkage error)

SAP Error Message - Details

• Message type: E = Error

• Message class: SAI_MAPPING - Mapping

• Message number: 208

• Message text: Incompatible class versions (linkage error)

What causes this issue?

A linkage error occurred while loading the class &V1& (&V2&, &V3&, &V4&
).
This error occurs if the Java mapping accesses an archive that had a
different (incompatible) version during compilation to the runtime
version.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If this error occurs while executing a message mapping, generate the
message mapping again in the Integration Repository. Another error cause
might be that the patch statuses of the Integration Repository and the
integration runtime are incompatible.
If the error occurs during a Java mapping, check whether the archives
are compatible with the Java sources. Are the sources distributed among
multiple archives which have statuses that are not compatible with each
other?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAI_MAPPING208 - Incompatible class versions (linkage error) ?

  The SAP error message SAI_MAPPING208 indicates that there is an issue with incompatible class versions, which typically arises in the context of Java-based applications or components within the SAP environment. This error is often related to the Java Runtime Environment (JRE) or the Java classes being used in the application.
  
  Cause:
  
  
  Version Mismatch: The error usually occurs when there is a mismatch between the versions of the Java classes being used. This can happen if:
  
  The application is trying to load a class that was compiled with a different version of Java than the one currently being used.
  There are multiple versions of the same class in the classpath, leading to conflicts.
  
  
  
  Deployment Issues: If the application was recently updated or deployed, it might be using outdated or incompatible libraries.
  
  
  Class Loader Issues: Problems with the class loader configuration can also lead to this error, especially in complex environments where multiple class loaders are used.
  
  
  
  Solution:
  
  
  Check Java