failed to associate send_message response to the sender

[lhtvineettiwari]

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While trying to connect my collator with polkadot. The collator is running but throwing some error and not making connection with my parathread. 2022-07-16 12:38:19 [Relaychain] Failed to fetch basics from runtime API relay_parent=0x91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3 err=Execution { runtime_api_name: "session_index_for_child", source: Application(Execution(Other("Exported method ParachainHost_session_index_for_child is not found"))) } 2022-07-16 12:38:19 [Relaychain] Our view contains 0x91b1…90c3, but not in active heads added=0x91b1…90c3 2022-07-16 12:38:19 [Relaychain] error=Sender(Runtime(RuntimeRequest(Execution { runtime_api_name: "session_index_for_child", source: Application(Execution(Other("Exported method ParachainHost_session_index_for_child is not found"))) }))) ctx="on FromOrchestra" 2022-07-16 12:38:19 [Relaychain] error=RollingSessionWindow(SessionsUnavailable { kind: RuntimeApi(Execution { runtime_api_name: "session_index_for_child", source: Application(Execution(Other("Exported method ParachainHost_session_index_for_child is not found"))) }), info: None }) 2022-07-16 12:38:19 [Relaychain] Failed to fetch runtime API data for job err=Execution { runtime_api_name: "validator_groups", source: Application(Execution(Other("Exported method ParachainHost_validator_groups is not found"))) } 2022-07-16 12:38:20 [Relaychain] 🔍 Discovered new external address for our node: /ip4/45.126.23.5/tcp/30343/ws/p2p/12D3KooWDqoqSxRBM3yFSfvoxYV1ydRonr3fRSGZm8DNLK6Pr3Rp 2022-07-16 12:38:21 [Relaychain] Received msg before first active leaves update. This is not expected - message will be dropped. msg=ActiveDisputes(Sender { complete: false }) 2022-07-16 12:38:21 [Relaychain] error=Sender(AskActiveDisputesCanceled) ctx="on FromOrchestra" 2022-07-16 12:38:24 [Relaychain] ⚙️ Syncing, target=#11185092 (18 peers), best: #4203 (0x69ce…8dd3), finalized #4096 (0x13e9…9e70), ⬇ 530.0kiB/s ⬆ 39.6kiB/s

And after sometime, it's throwing the error 2022-07-16 12:38:59 [Parachain] 💤 Idle (0 peers), best: #0 (0xb5d2…672d), finalized #0 (0xb5d2…672d), ⬇ 0 ⬆ 0 2022-07-16 12:39:00 failed to associate send_message response to the sender 2022-07-16 12:39:04 failed to associate send_message response to the sender 2022-07-16 12:39:04 [Relaychain] ⚙️ Syncing 960.4 bps, target=#11185099 (46 peers), best: #37426 (0x8110…9c9c), finalized #37376 (0xe94d…cd4c), ⬇ 332.9kiB/s ⬆ 8.7kiB/s