mysql迁移至opengauss报错

报以下错误，请问怎么解决

10:03:57,490 ERROR (MysqlFullMigrationTool:checkStatus) - Process chameleon drop_replica_schema --config default_3 exit abnormally occurred in checking chameleon replica order.
Error message: 
Run chameleon order drop_replica_schema failed,or you can try read /ops/portal/workspace/3/logs/full_migration.log or error.log to get detailed information to solve the exception.
10:03:58,985 ERROR (MysqlFullMigrationTool:startChameleonReplicaOrder) - IO exception occurred in executing command /ops/portal/tools/chameleon/chameleon-6.0.0/venv/bin/chameleon detach_replica --config default_3 --source mysql.
Error message: Stream closed
Start chameleon order detach_replica failed.
10:03:59,296 INFO  (ChangeStatusTools:reduceDiskSpace) - isReduced:false,Plan.stopPlan:true,PortalControl.status:500
10:04:00,58 INFO  (MysqlFullMigrationTool:checkStatus) - detach_replica running
10:04:00,93 ERROR (MysqlFullMigrationTool:checkStatus) - Process chameleon detach_replica --config default_3 exit abnormally occurred in checking chameleon replica order.
Error message: 
Run chameleon order detach_replica failed,or you can try read /ops/portal/workspace/3/logs/full_migration.log or error.log to get detailed information to solve the exception.
10:04:00,93 ERROR (MysqlFullMigrationTool:start) - Mysql full migration failed.

openGauss/openGauss-migration-portal

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