i've had this happen when the as path prepend being sent was different than what the actual as of the bgp router is. from the messages you get, this is likely your neighbor sending the wrong as value in their as prepend statement.
You received the error because of an OSPF misconfiguration. In this case, the overlapping networks is the misconfiguration. What you can do is use a different subnet for area 10 that does not also contain the subnet in area 0.example:router ospf 1 ...
not sure where you got this config from butaccess-list 1 : implies that this is a basic ip access-list. These types can accept only source addresses, not source and destination as this config implies. That would require extended access lists.ie. fo...
