Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/SiFive/sifive_hifive_unmatched_a00/riscv_plic0_0/enable_2_3#0x0
ENABLE Register for interrupt ids 69 to 64 for hart 3
https://github.com/cmsis-svd/cmsis-svd-data