It may be cause for concern if you notice that any names, items, entries, accounts, or blank spaces are missing from your QuickBooks desktop. This might occur due to the missing name list issue in Quickbooks. You are unable to view your company file due to this missing error. Before the troubleshooting steps, know the reason behind it.

• Improper shutting down your system.
• Damaged files of your system. 
• Virus or Malware attacks on your system. 
• Incomplete deletion of any computer application. 
• Incorrect installation of any application or any hardware.

Solutions:

• use QuickBooks File Doctor
• Conduct a Clean Install
• Using Auto Data Recovery
• Restore Backup From an Earlier Version

Here, I suggest you go to the details step-by-step instructions to perform the above solution. The given article will help you, so do not miss any important information. Otherwise, you might pull new errors along with it. If you have any doubt about following the instructions, Please take expert guidance at 855.738.0359 rather than dealing with another error.