QuickBooks Error 6154 occurs when QuickBooks Desktop cannot access the company file or folder due to incorrect file paths or insufficient permissions. To fix this error:

Log in as Administrator: Ensure you have admin rights on your computer.
Check File Location: Verify the company file is in the correct folder.
Reset File Path: Navigate to the correct file path manually and open the file.
Run QuickBooks as Admin: Right-click the QuickBooks icon and select Run as Administrator.
For expert help, call 1.855.738.2891.

https://gimiiii.alboompro.com/post/quickbooks-payroll-is-a-vital-tool-for-businesses-to-manage-employee-payments-tax-filings-and-compliance-requirements-howe?post_editing=true
https://community.myob.com/idea/myob-business-ideasexchange/dial-855738289l-fix-issue-qbwc1085/889222
https://community.myob.com/idea/myob-business-ideasexchange/dial-855738289lwhy-is-%E2%84%9A%F0%9D%94%B9-running-slow-over-the-network/889229
https://sangamhelpdesk.microsoftcrmportals.com/forums/general-discussion/0b5a5914-68ef-ef11-a4de-6045bdbeab55
https://sangamhelpdesk.microsoftcrmportals.com/forums/general-discussion/3053115d-68ef-ef11-a4de-6045bdbeab55