Topic:
Error copying horizon, Status: DB_E_NTRP_NUM_ATTR.

Description:
During Areal > Horizon copy, the following error occurs:
 Error copying horizon,
 Error initializing attribute read from database,
 Status: db_e_ntrp_num_attr.        

Solution:
This is usually caused when the horizon that is being copied contains a bad
attribute.  The bad attribute could be due to a bad name or it could be a blank
attribute which contains no data.  Use Basemap to view each of the horizon's
attributes to narrow down which one(s) is causing the problem.  Then, delete the
bad attributes through DataManager > Interpretation > Delete.  Select the
horizon name, toggle on Horizon data (Attributes) under "Select items for
deletion", and then click on 'Specify attributes...' under "Set horizon scope".
Select the attribute(s) for deletion, click 'OK', and then 'Delete'.  



Last Modified on: 19-APR-99