exception message improved

SVN: 23478

openbis/source/java/ch/systemsx/cisd/openbis/generic/server/business/bo/CorePluginTable.java

@@ -110,8 +110,8 @@ public final class CorePluginTable extends AbstractBusinessObject implements ICo
 
     private void runInitializeMasterDataScript(CorePlugin plugin, String masterDataScript)
     {
-        operationLog
-                .info("Executing master data initialization script for plugin '%s'..." + plugin);
+        operationLog.info("Executing master data initialization script for plugin '" + plugin
+                + "'...");
         try
         {
             masterDataScriptRunner.executeScript(masterDataScript);