Error with cloned flat module

[earmsby]

I followed instructions from various posts in this forum to clone the flat shipping module [flatusa & flatworld]. Everything worked fine and in admin I was able to set the configuration for each module. However, after setting the configuration, it goes back to showing the install button instead of the configuration settings. If I click on "install" for a second time, I get what I think is a database error (printed below):

1062 Duplicate entry 'MODULE_SHIPPING_FLATUSA_STATUS' for key 2
in:
[insert into configuration (configuration_title, configuration_key, configuration_value, configuration_description, configuration_group_id, sort_order, set_function, date_added) values ('Enable Flat Shipping', 'MODULE_SHIPPING_FLATUSA_STATUS', 'True', 'Do you want to offer flat rate shipping?', '6', '0', 'zen_cfg_select_option(array(\'True\', \'False\'), ', now())]
If you were entering information, press the BACK button in your browser and re-check the information you had entered to be sure you left no blank fields.

Any idea what I did wrong?

Thanks!

[earmsby]

For any who run into a similar problem, I did get it to work right. I turned on the original flat rate shipping module, edited it and saved. For some reason, after I did that the new cloned modules worked fine. Of course, I then turned off the orginal flat rate module again and everything still worked fine.

Ellie