Copying pauses or fails in the following cases: - Follower accounts disconnected or disengaged due to configured risk or flatten settings. - Lost connection to broker. - Broker rejects the order. - Copilink window not open. - Incorrect leader or instrument selected. - Leader's order unfilled. - Futures contracts with mismatched expiration. Note: Copilink does not guarantee identical synchronization due to latency and market variation.