This issue was observed while generating the Licence plate.
Getting this error is related to the class memory field.
To correct this error, you need to navigate to the following location within X3
- Setup > General Parameters > Folder Generation
- Select the folder with the issue
- Under the miscellaneous tab, locate the Class memory field (has Maxheap next to the field)
- Adjust this field in small increments.
- Save the changes
- Log out of X3 and then back in and test again
If the error persists, follow the same steps until it works again.