Build Help!I wanna build generic

Hi I wanna build 4.6 for img " EmuELEC-Amlogic-ng.aarch64-4.6-Generic.img.gz"。but my target folder only have
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-Generic.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-LaFrite.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-Odroid_N2L.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-Odroid_C4.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-Odroid_HC4.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-Odroid_N2.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-Radxa_Zero.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-Radxa_Zero2.img.gz”
“EmuELEC-Amlogic-ng.aarch64-4.6-Nexus_devel_20231021223105-LePotato.img.gz”

Hello friend, has your problem been solved? Could you please tell me how to deal with it?