The following diagnostic is generating:

For electronically filed returns, the state of Maryland does not allow ""Other Subtractions"" for which there is no corresponding state letter code assigned by the state. This return must be filed as a conventional paper return. Other Subtractions that are not allowed for electronically filed returns: Other Subtractions input by the user, Maryland Wage Adjustment, NOL Adjustment, Lottery Winnings, IRA Adjustment, Pension Adjustment, Gambling Adjustment, Qualified state tuition earnings adjustment.

Solution:

Check for use of state if different