QB Issue Resolution:
One possibility is that you have a window open and front most that isn’t connected to the company file. You just need to close this window. But it might be hard to find – try holding down the option key and choosing File->Close All (that will close all windows)
Resolution for Issue 'How can I correct the access permissions–suddenly it is only allowing limited access from the administrator sign in.' available: Yes (Solved).
Source: Intuit Community forum.
How can I correct the access permissions–suddenly it is only allowing limited access from the administrator sign in.: this 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 issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for administrator
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Error Recovery for administrator [Canada]
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