Replication of application directory partition %1 from source %2 has been aborted. Replication requires consistent schema ...

Replication of application directory partition %1 from source %2 has been aborted. Replication requires consistent schema but last attempt to synchornize the schema had failed. It is crucial that schema replication functions properly. See previous errors for more diagnostics. If this issue persists, please contact Microsoft Product Support Services for assistance. Error %3: %4.