This errorco.de is a pseudonym for winerror.h 0x80310071. See that errorco.de for possible comments or remarks.

winerror.h -2144272271

#define FVE_E_DV_NOT_ALLOWED_BY_GP

The selected discovery drive type is not allowed by the computer's Group Policy settings. Verify that Group Policy settings allow the creation of discovery drives for use with BitLocker To Go.