Error: The field ‘EINMemberCorp’ with value ‘[0]’ data is missing

Error message

Validation failed on [FILE_ID]:

Form: FormNYCEXT[1] TaxType[1]/CombinedFilerSched[1]/EINMemberCorp[1]
LineNumber: Box5Ac
Description: EIN of Member Corporation
Requirement: Type for Employer Identification No. - 9 digits
Error: The field 'EINMemberCorp' with value '0', data is missing.

Element Name: EINMemberCorp
XPath: /ReturnState[1]/ReturnDataState[1]/FormNYCEXT[1]/TaxType[1]/CombinedFilerSched[1]/EINMemberCorp[1]
XML Fragment: 0
Field Key: 170,460,137,0,0,0,0,0,0
Error Code: [CODE]
Error Reason: '0' violates pattern constraint of '[0-9]{9}'.
The element '{http://www.irs.gov/efile}EINMemberCorp' with value '0' failed to parse.

Solution

Go to
Tax Forms
Cities
New York City, NY
NYC-EXT and NYC-EXT.1
Member Listing
Federal EIN
.
Enter a valid 9-digit FEIN for the member where the FEIN is missing.
Lock the fields.
Do a full recompute, then recreate the e-file.