diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/InternalDebugCoreMessages.properties b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/InternalDebugCoreMessages.properties
index 6197b55bac5..d612d7a3247 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/InternalDebugCoreMessages.properties
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/InternalDebugCoreMessages.properties
@@ -15,6 +15,7 @@ CMemoryBlockRetrievalExtension.2=Invalid expression: ''{0}''
 CMemoryBlockRetrievalExtension.3=Memory initialization: invalid memento.
 CMemoryBlockRetrievalExtension.4=Invalid address: ''{0}''
 CMemoryBlockRetrievalExtension.invalid_encoded_addresses=Format of encoded address is invalid.
+CMemoryBlockRetrievalExtension.CDebugTarget_not_available=Request cannot be handled at this time, probably because debug session has terminated.
 DebugConfiguration.0=This debugger no longer supports this operation
 CDebugAdapter.0=This debugger does not support debugging external files
 CDebugAdapter.1=Debugger Process