Category Import Issue

[testBanana]

when i try to import some categories i get this error/message:

Please enter a correct entity.

entity code is set as:

$importerModel->setEntityCode('catalog_category');

i don't get this error... maybe someone an help me.

[jruzafa]

Normally this error throws an exception in var/log/exception.log

[testBanana]

no error in exception.log or system.log