USCIS recently informed members of AILA (American Immigration Lawyers Association) that the agency had issued approximately 2,500 conditional lawful permanent resident cards. The agency is requesting that people who received the erroneous cards to return them to USCIS for a new card with the correct expiration date.
A few notes:
The agency allowed aliens to return their green card either by mail or at an application support center (ASC) in their area.