Why fail transmission?  Here is the diagnostic, which is why I looked to EO BMF and name mismatch in the first place:

"e-file: E-File rejections can be a result of the information entered for this organization may not match the IRS Exempt Organization Business Master File (EO BMF). The mismatch can the Name, EIN, tax year end etc.  Go verify the information at https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf. (ref. #53282)"