Fix Oracle View Instantiation Error

If Oracle is unable to instantiate a view, it could be due to the dependency objects of the view not existing or insufficient permissions. Here are some solutions:

1. Ensure that the tables or other objects that the view relies on exist and have not been altered or deleted.
2. Check if the current user has permission to access the objects that the view depends on. If not, request the appropriate permissions from the administrator.
3. If functions or stored procedures are used in the view, ensure that the permissions for these functions or stored procedures are correctly set.
4. You can try to recompile the view using the following statement:

ALTER VIEW your_view_name COMPILE;

1. If none of the above methods work, you can try deleting the view and recreating it to ensure there are no errors during the creation process.