To resolve this error, first check that the path name is valid and correct in the following location:
From the Toolbar, click System Admin then Setup
In Setup, scroll down to Path Names and double click
Locate the Path Number - this will be the number in the error message
Then click on the Company Tab
Search for Company
If the Company is not listed, Right Click, Create Record, select the Company required and enter the relevant Pathname, and Apply to Save
If the Company is listed, but no Pathname entered, Right Click, Modify Record, Pathname, and Apply to Save
If the Pathname is the same as one of the other Companies you can use the Right click Copy and Paste, rather than having to type the Pathname in.