You can extend the limit by using the Form Customizer - Tools\Admin\Customize Forms Expand Collection Object Select the first form (specimen type) Click on the subform that has collection number.
Select Edit/Subform
Click on the catalog number field.
Select Edit/Field Properties
You will see a Digits properties - change that to a higher number Click OK Click File/Save Close the Editing.

You should now have a greater range of numbers.
For more information, consult the help under Form Customizer.

If you have any questions, please contact those of us at the Specify project!

Thanks,
Kathy

Thanks Kathy,
It worked just fine!
Best wishes,
Leandro