So, just wait these version be available in your TeX distributions.
(r)(e)ledmac’s bug with bidi 17.9 corrected
Wednesday 14 October 2015,
by
RSS 2.0 Forum
I have just uploaded on CTAN ledmac 0.19.3, eledmac 1.24.11 and reledmac 2.3.0 which fix the bug with bidi 17.9.