Vital CRM
When importing, a pop-up message," appeared. What does it mean?

When you import customers, the message "Customer limit exceeded, cannot import additional customers." appears, it indicates that the number of customers on your site is full. You can add more or clear the number of customers before adding.

*If you need to purchase more customers, please refer to this FAQ.

It indicates that the number of customers on your site is full. You can add more or clear the number of customers before adding.
https://faq.vitalyun.com/EN/CRM#4463