Pbm delete-backup problem --Percona Backup for MongoDB 2.2.0

Percona Backup for MongoDB 2.2.0

MongoDB Shard Cluster operate "pbm delete-backup --older-than=“2023-09-01T07:50:04"” error。

All the shard agent log show “[delete] not a member of the leader rs, skipping”

this problem contains following commands:
1.pbm delete-backup
2.pbm cleanup
3.pbm delete-pitr

Please help me solve this problem ,thank you !