Error: The field 'State' with value, data format is not correct

Error message

Validation failed on [FILE_ID]:
Form: Form510[1][@documentId='Form510] AdditionalInformation[1]/OrganizationState[1]/State[1]
Requirement: State abbreviations, a.k.a. state codes
Error: The field 'State' with value '[ENTERED_VALUE]', data format is not correct.
Element Name: State
XPath: //Form510[@documentId='Form510']/AdditionalInformation[1]/OrganizationState[1]/State[1
XML Fragment: [ENTERED_VALUE]
Field Key: 0,0,0,0,0,0,0,0,0
Error Code: [CODE]
Error Reason: '[ENTERED_VALUE]' violates enumeration constraint of 'AL AK AS AZ AR CA CO MP CT DE DC FM FL GA GU HI ID IL IN IA KS KY LA ME MH MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PW PA PR RI SC SD TN TX VI UT VT VA WA WV WI WY AA AE AP'.
The element '{http://www.irs.gov/efile}State' with value '[ENTERED_VALUE]' failed to parse.

Solution

Go to
Tax Forms
States
Maryland
MD 510
MD 510, Page 3: Additional Information Required
.
Make sure only 1
X
is used in
Line 4
.
Drill down on
Line 4
and select the state in
Column E
.
Go to
Organizer
States
Common State
General information
Basic Return information
Entity information
Column E
.
Select the appropriate state.
Do a full recompute, then recreate the e-file.