error message without sense

[hardbrasil]

hi fellas, i am getting this error msg but i did not understand why,

Limit has been exceeded on domain 'smtparqueamento.com.br' owned by client 'hospedagem' (Contact name 'hospedagem'):
Disk space usage: 1.73 MB
Disk space limit: 20 000.00 MB
Traffic: 0.01 MB/mês
Traffic limit: Ilimitado