nametab in customised tables

Hi experts,

I am facing an error when transporting my request from one system to other system.

The error is given below and how to rectify that error.

Table ZTAB_ATTACHMNTS1 could not be activated (E- Nametab for table ZTAB_SECTIONS cannot be generated ) (E- Nametab for table ZGTRACK_MAIN1 cannot be generated ) Nametab for table ZTAB_COMMENTS1 cannot be generated Nametab for table ZTAB_FORCAST1 cannot be generated Nametab for table ZTAB_STATUS1 cannot be generated