pbfusion error

[DongTang91]

Hi :
when i run pbfusion ,i got a error ：
thread 'main' panicked at 'Error: cowardly refusing to overwrite binary output file.', src/bin/pbfusion.rs:84:9 note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

software version
conda install pbfusion=v0.4.0

command ：
/pbfusion gff-cache --gtf GRCm39.gtf -b GRCm39.gtf.bin

How can I solve this problem。

[velociroger-pb]

If you've previously made your cached gtf, you'll need to delete it before re-making it