-24915: ERR_NOADDD - configuration update not allowed (param file is inactive)
Explanation:
The database configuration cannot be changed as changes were made to the parameter file, but these changes are not yet activated.
User Action:
To activate the changes to the parameter file, change the database state to OFFLINE and then to WARM.
To discard the changes to the parameter file, use the DBMServer statement
param_restore .