Error: The field 'FirstName' with value '', data is missing

Error message

Validation failed on [FILE_ID]:

Form: FirstName[1]
Requirement: Typically used for a person's name. Legal Characters: A-Z, a-z, 0-9, hyphen, apostrophe and single space. Illegal Character: leading space, trailing space, adjacent spaces, and other symbols.
Error: The field 'FirstName' with value '', data is missing.

Element Name: FirstName
XPath: /ReturnState[1]/ReturnDataState[1]/SchDirectory[1]/PartMembShr[5]/NameAddr[1]/PersonData[1]/FirstName[1]
XML Fragment:
Field Key: 0,0,0,0,0,0,0,0,0
Error Code: [CODE]
Error Reason: '' violates pattern constraint of '([A-Za-z0-9'-] ?)*[A-Za-z0-9'-]'.
The element '{http://www.irs.gov/efile}FirstName' with value '' failed to parse.

Solution 1: Correct the K-1 Aggregation file

Go to
Organizer
States
Pennsylvania
E-file PA20S
PA-65
Attachments
K-1 Aggregation
Summary
.
Make the correction on the Aggregated file, then reattach.
Do a full recompute and recreate the e-file.

Solution 2: Reformat partner name for state purposes

Go to
Organizer
Partner Information
Partner by Partner Data
(Partner Name)
Partner Information
Reformat Partner Name for State Purpose tab
Automatic Reformat - Partner Name section
.
Enter first name, middle name, and last name.
Make sure there are no special characters and the data is in the form of a first name, last name, and single initial.
Do a full recompute and recreate the e-file.