Special Admin functions are special for the Admin user and can’t be granted.

In this case perhaps you should be the QB Admin user.

Resolution for 'Admin functions issue: 'Can the Admin alter permissions so that a non-Admin can close the company file for other people?' available: Yes.

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

For more information about resolving issues related to Admin functions in Quickbooks/QBO or to get support for the issue 'Can the Admin alter permissions so that a non-Admin can close the company file for other people?', click the link below: