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TT updated this morning so I updated my foreign tax info and 1116 Schd B is populated in Forms.  Error check = 0 errors but I can't efile. When I hit the the File Returns  button I get the following error: 

 

"We can't e-file your return because we are unable to located the attachment at /attachment/Form1116ScheduleB.pdf Please go back and re-attach it. then try e-filling again."

 

Any help appreciated.

EDIT: THe answer is here at the bottom of the page: https://ttlc.intuit.com/community/tax-credits-deductions/discussion/2021-form-1116-schedule-b-carryo...