Any data damage in these files can expedite different types of company file errors in QuickBooks. One such error which shall be discussed in detail herein is QuickBooks error code 6154. To get a better understanding with respect to its causes, symptoms and troubleshooting methods, read the blog till the end. This is the easiest method to resolve QuickBooks Company file error 6154. All that needs to be done is to login to the system as an administrator. Make sure to type in the correct credentials when logging in. When the Desktop loads up, run QuickBooks and try to get access to the same Company file again.