In this blog post, let’s learn about the error message “212 Cannot add index.” in Hydra and the description of the error.
Error Message
212 Cannot add index.
Error Details
The database server refers to the tables of the system catalog while it processes most statements. When it cannot read one of these important tables, a serious error results. Check the accompanying ISAM error code for more information. The effect of the error depends on the statement that is being executed and the particular table, as follows: