It seems that we have to upload a patch because this described as bug in BI Publisher 126.96.36.199.
for more info :
Bug number: 14167915
Your current BI publisher version is BI Publisher 188.8.131.52, you need to upgarde to BI Publisher 184.108.40.206.0 or the latest stable version. This bug is fixed as part of BI Publisher 220.127.116.11.0(patch-14540059) or later. I can suggest you to discuss with Oracle representative and apply the patch.