Duplicate question

https://community.intuit.com/questions/1510087-can-t-save-close-my-bank-account-bank-feed-settings-after-clicking-the-activate-online-services-button-in-the-chart-of-accounts

Resolution for 'COA making issue: 'How to deactivate bank feed for checking acct. Still shows activated in COA making it impossible to reactivate online banking.' available: Yes.

The COA making 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 COA making issue yourself by looking for a resolution described in the article. If it is a complex COA making issue or you are unable to solve the issue, you may contact us by clicking here or by using other COA making support options.

For more information about resolving issues related to COA making in Quickbooks/QBO or to get support for the issue 'How to deactivate bank feed for checking acct. Still shows activated in COA making it impossible to reactivate online banking.', click the link below: