Migrate Hosting from Cpanel To Plesk with error ?

[anonymous_itop]

i have mirgrate Hosting from Cpanel to Plesk, but mailbox not create successful.

mbox_quota 262144000 -forwarding false -ignore-nonexistent-options failed with return code 1.
Stderr is
Unable to set the mailbox size limit for the domain: The size of this mailbox must not exceed the limit on amount of disk space allocated for mailboxes in this domain.

Default mailbox of Cpanel is 250MB.
How to change default mailbox size to 250MB to change mail from Cpanel to Plesk.

 

[IgorG]

How to change default mailbox size to 250MB to change mail from Cpanel to Plesk.

You can change it in corresponding Service Plan.

 

[anonymous_itop]

But when migrate it not in any plan and have error at migrating.