Has anyone ever seen an error like this using Ververica CDC when trying to stop an application with a save point?

org.apache.flink.runtime.checkpoint.CheckpointException: Task has failed.
	at org.apache.flink.runtime.messages.checkpoint.SerializedCheckpointException.unwrap(SerializedCheckpointException.java:51)
	at org.apache.flink.runtime.checkpoint.CheckpointCoordinator.receiveDeclineMessage(CheckpointCoordinator.java:1013)
	at org.apache.flink.runtime.scheduler.ExecutionGraphHandler.lambda$declineCheckpoint$2(ExecutionGraphHandler.java:103)
	at org.apache.flink.runtime.scheduler.ExecutionGraphHandler.lambda$processCheckpointCoordinatorMessage$3(ExecutionGraphHandler.java:119)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: org.apache.flink.runtime.checkpoint.CheckpointException: Task name with subtask : Source: postgres_cdc (1/1)#19 Failure reason: Task has failed.
	at org.apache.flink.runtime.taskmanager.Task.declineCheckpoint(Task.java:1395)
	at org.apache.flink.runtime.taskmanager.Task.lambda$triggerCheckpointBarrier$3(Task.java:1338)
	at java.base/java.util.concurrent.CompletableFuture.uniHandle(CompletableFuture.java:930)
	at java.base/java.util.concurrent.CompletableFuture$UniHandle.tryFire(CompletableFuture.java:907)
	at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506)
	at java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2088)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$11(StreamTask.java:1094)
	at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:93)
	at org.apache.flink.streaming.runtime.tasks.mailbox.Mail.run(Mail.java:90)
	at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMailsWhenDefaultActionUnavailable(MailboxProcessor.java:338)
	at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.processMail(MailboxProcessor.java:324)
	at org.apache.flink.streaming.runtime.tasks.mailbox.MailboxProcessor.runMailboxLoop(MailboxProcessor.java:201)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.runMailboxLoop(StreamTask.java:804)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:753)
	at org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:953)
	at org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:932)
	at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:746)
	at org.apache.flink.runtime.taskmanager.Task.run(Task.java:568)
	... 1 more
Caused by: java.util.concurrent.CompletionException: java.lang.Exception: Could not perform checkpoint 38 for operator Source: postgres_cdc (1/1)#19.
	at java.base/java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:367)
	at java.base/java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:376)
	at java.base/java.util.concurrent.CompletableFuture$UniRelay.tryFire(CompletableFuture.java:1019)
	... 15 more
Caused by: java.lang.Exception: Could not perform checkpoint 38 for operator Source: postgres_cdc (1/1)#19.
	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointAsyncInMailbox(StreamTask.java:1138)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$triggerCheckpointAsync$11(StreamTask.java:1085)
	... 12 more
Caused by: org.apache.flink.runtime.checkpoint.CheckpointException: Could not complete snapshot 38 for operator Source: postgres_cdc (1/1)#19. Failure reason: Checkpoint was declined.
	at org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.snapshotState(StreamOperatorStateHandler.java:269)
	at org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.snapshotState(StreamOperatorStateHandler.java:173)
	at org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:348)
	at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.checkpointStreamOperator(RegularOperatorChain.java:227)
	at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.buildOperatorSnapshotFutures(RegularOperatorChain.java:212)
	at org.apache.flink.streaming.runtime.tasks.RegularOperatorChain.snapshotState(RegularOperatorChain.java:192)
	at org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.takeSnapshotSync(SubtaskCheckpointCoordinatorImpl.java:647)
	at org.apache.flink.streaming.runtime.tasks.SubtaskCheckpointCoordinatorImpl.checkpointState(SubtaskCheckpointCoordinatorImpl.java:320)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.lambda$performCheckpoint$12(StreamTask.java:1253)
	at org.apache.flink.streaming.runtime.tasks.StreamTaskActionExecutor$SynchronizedStreamTaskActionExecutor.runThrowing(StreamTaskActionExecutor.java:93)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.performCheckpoint(StreamTask.java:1241)
	at org.apache.flink.streaming.runtime.tasks.StreamTask.triggerCheckpointAsyncInMailbox(StreamTask.java:1126)
	... 13 more
Caused by: org.apache.flink.util.FlinkRuntimeException: Call snapshotState() on closed source, checkpoint failed.
	at com.ververica.cdc.debezium.DebeziumSourceFunction.snapshotState(DebeziumSourceFunction.java:307)
	at org.apache.flink.streaming.util.functions.StreamingFunctionUtils.trySnapshotFunctionState(StreamingFunctionUtils.java:118)
	at org.apache.flink.streaming.util.functions.StreamingFunctionUtils.snapshotFunctionState(StreamingFunctionUtils.java:99)
	at org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.snapshotState(AbstractUdfStreamOperator.java:87)