Invalid detail line number 00000 error in General Billing Invoice Import

When attempting to import a batch of General Billing (Accounts Receivable) invoices, the import fails and the error report is covered with strange/special characters as well as the error: Invalid detail line number: 00000. 

• General Billing 
• Invoice Import (gbinvimp)

File type chosen does not match the Import file format. 

• If the invoice import file is based off of a Custom Import Format, make sure to select the correct custom File type and not the Standard file type.
• View the invoice import file with the Custom Format to make sure it aligns. 

• A similar, but separate issue is: Error with GB Custom Invoice Import Invalid Detail Line Number
• For additional Invoice Import resources, please see: Master Article - General Billing Invoice Import
• Delete saved custom template, reupload import file and recreate custom template
• If additional assistance is required, please contact General Billing Support.