BGP Advertise not work correctly in 3.0rc4

We have a problem with bgp network advertise using mikrotik x86 3.0rc4.
After we advertise our network for example 202.65.113.0/24 using bgp network, we get a dynamic routing in our routing table like this

Flags: X - disabled, A - active, D - dynamic, 
C - connect, S - static, r - rip, b - bgp, o - ospf, m - mme, 
B - blackhole, U - unreachable, P - prohibit 

0 ADbU dst-address=202.65.113.0/24 type=unreachable distance=20 bgp-origin=igp

All routing for this network (202.65.113.0/24) had stopped to work.
So, we think that we must create a static routing 202.65.113.0/24 (distance=1) to solve this problem. But we got bgp advertise not work for 202.65.113.0/24 after we created a static routing for 202.65.113.0/24.

the best way was using prefix length lower than /24 (/25-/32) and all routing network for 202.65.113.0/24 works again also the bgp advertise. It’s a hard work for us :frowning:

Why it can be ? Any solution ?
Can it works like mikrotik v2.9.46 , because we don’t see any trouble using bgp in mikrotik 2.9.46 ?

We are seeing a problem with RIP. The router is getting 0.0.0.0/8 even though we are advertising 0.0.0.0/0. This worked fine in 2.9.42. It also isn’t getting some routes.