Errors in log file while receiving study

Im using the latest version of Orthanc on Windows 7. I’m getting the following in Orthanc log while receiving study from another PACS:

W1206 04:02:07.442552 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

E1206 04:02:07.463554 PluginsManager.cpp:164] (SeriesController) std::exception bad lexical cast: source type value could not be interpreted as target

W1206 04:02:07.480554 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

W1206 04:02:07.560559 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

W1206 04:02:07.599561 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

W1206 04:02:07.643564 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

W1206 04:02:07.715568 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

W1206 04:02:07.903579 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

W1206 04:02:08.604619 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

W1206 04:02:08.785629 SliceOrdering.cpp:324] This series contains 2 slices with the same index, trying to display it anyway

E1206 04:02:11.383778 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:11.383778 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:15.058988 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:15.058988 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:17.462125 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:17.462125 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:26.342633 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:26.343633 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:30.240856 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:30.241856 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:33.829062 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:33.830062 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:34.476099 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:34.476099 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:35.334148 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:35.334148 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:38.372321 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:38.372321 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:47.823862 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:47.823862 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:49.044932 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:49.044932 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:02:53.260173 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:02:53.260173 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

E1206 04:03:02.441698 PluginsManager.cpp:197] Exception while invoking plugin service 3010: Bad file format

E1206 04:03:02.442698 PluginsManager.cpp:164] (ImageController) Orthanc::OrthancException 15/400 Bad file format

It seems the messages are quite clear ! The files are invalid. What behavior would you expect ?