PMM error from 7.5 to 8.0

[fromlatam]

I'm trying a migration from 7.5 Plesk for Linux to 8.0, using PMM import from directory, but the work stop with
this message:

Has failed the migration from localhost,
Error to show <nothing>


The supervisor.log in migration directory, says:

2006-05-21 22:44:51,014 INFO Packet succesfully validated.
2006-05-21 22:44:51,089 INFO Incoming packet:
<?xml version="1.0" encoding="UTF-8"?><action><set-migration-objects><selected-objects><migrate-domains><target-client>user</target-client><domain>
<name>domain.com</name>
</domain></migrate-domains></selected-objects></set-migration-objects></action>
2006-05-21 22:44:51,090 INFO Packet succesfully validated.
2006-05-21 22:44:51,092 INFO Outgoing packet:
<?xml version="1.0" encoding="UTF-8"?><action-response action-internal-name="AwaitingImportObjectsState">
<command-accepted></command-accepted>
</action-response>

2006-05-21 22:44:51,092 INFO Packet succesfully validated.
2006-05-21 22:44:51,097 INFO Executing <subprocess[18344] '/usr/local/psa/admin/sbin/deployer' '--session-path=/migration' '--deploy-dump' '--domain-template=Unlimited'>
2006-05-21 22:44:51,300 INFO Incoming packet:
<?xml version="1.0" encoding="UTF-8"?><action><get-status/></action>
2006-05-21 22:44:51,301 INFO Packet succesfully validated.
2006-05-21 22:44:51,304 INFO Outgoing packet:
<?xml version="1.0" encoding="UTF-8"?><action-response action-internal-name="ImportDeploymentState">
<working>
<idle></idle>
</working>
</action-response>

2006-05-21 22:44:51,304 INFO Packet succesfully validated.
2006-05-21 22:44:52,563 INFO Subprocess <subprocess[18344] '/usr/local/psa/admin/sbin/deployer' '--session-path=/migration' '--deploy-dump' '--domain-template=Unlimited'> was finished with exit code 1
== STDOUT ====================

== STDERR ====================
Uncaught unknown exception

2006-05-21 22:45:01,534 INFO Incoming packet:
<?xml version="1.0" encoding="UTF-8"?><action><get-status/></action>
2006-05-21 22:45:01,535 INFO Packet succesfully validated.
2006-05-21 22:45:01,535 INFO Outgoing packet:
<?xml version="1.0" encoding="UTF-8"?><action-response action-internal-name="FinishedState">
<finished status="error">
</finished>
</action-response>

2006-05-21 22:45:01,536 INFO Packet succesfully validated.