A few days ago, eM Client started regularly producing errors related to a Gmail account. I use eM Client with the same account on another computer, and it also produces the error.
The error appears as follows:
The stack trace from the log is:
20:10:37 MailExceptions.OperationException: Synchronizing folder ‘Gmail/(removed)/’ failed with an error: Cannot set end of a recurring event. —> System.InvalidOperationException: Cannot set end of a recurring event.
20:10:37 at MailClient.Storage.Application.Schedule.ScheduleItem1.set\_EndUtc(DateTime value) 20:10:37 at MailClient.Protocols.Gdata.TaskItemSynchronizer.UpdateTask(TaskItem taskItem, Task task) 20:10:37 at MailClient.Protocols.Gdata.TaskItemSynchronizer.b\_\_5(TaskItem i, Task e) 20:10:37 at MailClient.Protocols.Common.ItemSynchronizeContext2.Synchronize[T](SynchronizationType synchronizationType, IEnumerable1 items, Func2 getUniqueId, Func3 hasChanged, Func2 isDeleted, Func2 convertItem, Action2 updateItem)
20:10:37 at MailClient.Protocols.Gdata.TaskItemSynchronizer.Synchronize(IItemSynchronizeContext1 synchronizeContext, Folder folder, CancellationToken cancellationToken) 20:10:37 at MailClient.Protocols.Common.ItemSynchronizer2.<>c__DisplayClass2c.<>c__DisplayClass30.b__29(WorkerStatus status, CancellationToken cancellationToken)
20:10:37 at MailClient.Protocols.Gdata.GenericGapiCommand.Execute(WorkerStatus status)
20:10:37 — End of inner exception stack trace —
20:10:37 at MailClient.Protocols.Gdata.GenericGapiCommand.Execute(WorkerStatus status)
20:10:37 at MailClient.Commands.Command.Process(WorkerStatus status)