Migration Error in 7.5.2

[frank-sup]

Hello

I have get this error when i press on migration :
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0: /usr/local/psa/admin/plib/PMM/MigrationUploadAgent.php:261 psaerror(string "Incorrect migration.status file format. Not support status "transfer"")
1: /usr/local/psa/admin/plib/PMM/MigrationUploadAgentInfoForm.php:42 migrationuploadagent->getmigstatusmsg()
2: /usr/local/psa/admin/htdocs/server/PMM/index.php:22 migrationuploadagentinfoform->assign(object of type migrationuploadagent)

What can i do with this error ?

I use fedora 2 and PLSK 7.5.2

Thanks for help