IMPORT - CX_SY_IMPORT_MISMATCH_ERROR

Hello,

I get the dump (CX_SY_IMPORT_MISMATCH_ERROR) trying to read entries from a cluster table with the following code:

IMPORT addons TO lk_trtkos

FROM DATABASE rfdt(zk) ID m_runkey.

We have migrated from 46C to 6.40 and I only get the error when I try to import entries created in the release 46C. There is no dump importing entries which were created in 6.40. The structure used is the same for the IMPORT and EXPORT. The Can anyone help me?

Thanks in advance

Maresp