Selecting "Cancel" in the "Import BAM file" dialog causes an error

1. Open a BAM file.
=> The "Import BAM file" dialog appears.

2. Click "Cancel".
!=> An error notification is shown: "[18:56:30] 'Loading documents' task failed: Subtask

{Opening view for document: Klebsislla.sort.bam}

is canceled Subtask

{Adding document to project: Klebsislla.sort.bam}

is canceled Subtask

{BAM/SAM file import: Klebsislla.sort.bam}

is canceled . Document was removed"

Nothing should happen in this case.