extensions: csv error logging fix
extensions: csv error logging fix

Signed-off-by: Lars Holm Nielsen <7eaffca9f7cd98839b5821d0d23e09ff764b82cd@cern.ch>

inveniosoftware/invenio-previewer,inveniosoftware/invenio-previewer,inveniosoftware/invenio-previewer,inveniosoftware/invenio-previewer