I cannot access our company file, it has the following - Error Code (-6000, -80)

Helen Pearce
Helen Pearce Member Posts: 1
We use Reckon Accounts 2018 and in Multi User mode 2 of us are unable access the company file showing the following "an error occurred when Reckon Accounts tried to access the company file.  Please try again. If the problem persists contact Reckon Technical Support and provide them with the following error codes: (-6000, -80).