Fix request #6646 - Cannot query a report

Change-Id: Iff66c6c42ff335331b40f79ac98458606bf26158
Merge commit 'refs/changes/57/2257/1' of http://gerrit.tuleap.net/tuleap into tuleap-stable-master

* http://gerrit.tuleap.net/tuleap:
  Fix request #6646 - Cannot query a report

Change-Id: I8296769c377485dd3f0afbd8b619f517f563569f
Tuleap 6.12.99.16

Change-Id: I3417108d84e5190429a7c6c00ed502e4e1e9848d