diff --git a/ApplicationLibCode/ProjectDataModel/RimWellLogFile.cpp b/ApplicationLibCode/ProjectDataModel/RimWellLogFile.cpp
index f36cd486cb..c2547c3aff 100644
--- a/ApplicationLibCode/ProjectDataModel/RimWellLogFile.cpp
+++ b/ApplicationLibCode/ProjectDataModel/RimWellLogFile.cpp
@@ -168,9 +168,9 @@ bool RimWellLogFile::readFile( QString* errorMessage )
     }
     else if ( !isDateValid( m_date() ) )
     {
-        *errorMessage = QString( "The LAS-file '%1' contains no recognizable date. Please assign a date in the "
-                                 "LAS-file property panel" )
-                            .arg( m_name() );
+        RiaLogging::warning( QString( "The LAS-file '%1' contains no recognizable date. Please assign a date in the "
+                                      "LAS-file property panel." )
+                                 .arg( m_name() ) );
 
         m_date = DEFAULT_DATE_TIME;
     }