The functions for handling error messages begin with ade_err.
| ade_errclear | Clears the error stack. |
| ade_errcode | Gets the error code for a specific error on the error stack. |
| ade_errgetlevel | Gets the system error level. |
| ade_errmsg | Gets the error message for a specific error on the error stack. |
| ade_errpush | Pushes an error message to the stack. |
| ade_errpushstatement | Pushes a statement to the stack. |
| ade_errqty | Returns the number of error messages on the stack. |
| ade_errsetlevel | Sets the system error level. |
| ade_errshowdlg | Displays the Map Messages dialog box, which shows a list of error messages on the stack. |
| ade_errstatement | Gets the erroneous statement for a specific error on the stack. |
| ade_errtype | Gets the type of a specific error in the stack. |