Error: The field 'EIN' with value '[ENTERED_VALUE]' data format is not correct

Error message

1. Validation failed on [FILE_ID]:

Form: FormMAForm3[1][@documentId='MAForm3] SignHere[1]/PartnerID[1]/EIN[1]
Requirement: Type for Employer Identification No. - 9 digits
Error: The field 'EIN' with value '', data is missing.

Element Name: EIN
XPath: //FormMAForm3[@documentId='MAForm3']/SignHere[1]/PartnerID[1]/EIN[1]
XML Fragment:
Field Key: 0,0,0,0,0,0,0,0,0
Error Code: [CODE]
Error Reason: '' violates pattern constraint of '[0-9]{9}'.
The element '{http://www.irs.gov/efile}EIN' with value '' failed to parse.

Solution

Go to
Organizer
States
Common State
General Information
Basic Return Information
Other Information tab
, Massachusetts row.
In
Column J Tax Matters Partner SSN
, enter either the EIN or Social Security number. The value has to be exactly 9 digits.
Do a full recompute, then recreate the e-file.