Here are the steps:

Click Lists.
Select Chart of Accounts.
Highlight and right click on the credit card account.
Choose Edit Account, and change the new number.
Click Save & Close.

Resolution for 'account database issue: 'Ho do I change my credit card number and keep it connected to my existing account database. I don’t want to loose the data from the old account' available: Yes.

The account database issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the account database issue yourself by looking for a resolution described in the article. If it is a complex account database issue or you are unable to solve the issue, you may contact us by clicking here or by using other account database support options.

For more information about resolving issues related to account database in Quickbooks/QBO or to get support for the issue 'Ho do I change my credit card number and keep it connected to my existing account database. I don’t want to loose the data from the old account', click the link below: