Try each of the following steps in order until the issue is resolved:
- Unmask the credit card field in Security in Versions 7.80 and lower or What are the personal information security options and how do you assign them? in Versions 7.81 and higher
- Unmark the Hide checkbox in Configuration
- Click Configuration, Fields
- In the left frame, select Credit Card
- In the right frame, unmark the Hidden checkbox for Number
Note: The tracking of and access to credit card numbers is strictly governed by the CISP and PCI standards. Ensure that your organization is compliant with all of these standards. For more information, refer to What are CISP and PCI standards?