ERROR: Found error in internal cell \ice40_spram_gen.$shl$/mnt/venture-data/projects/icebreaker/ice40-playground-git/cores/ice40/rtl/ice40_spram_gen.v:0$829 ($shl) at kernel/rtlil.cc:850:
  attribute \src "/mnt/venture-data/projects/icebreaker/ice40-playground-git/cores/ice40/rtl/ice40_spram_gen.v:0"
  cell $shl $shl$/mnt/venture-data/projects/icebreaker/ice40-playground-git/cores/ice40/rtl/ice40_spram_gen.v:0$829
    parameter \Y_WIDTH 8
    parameter \B_WIDTH 32
    parameter \A_WIDTH 8
    parameter \B_SIGNED 1
    parameter \A_SIGNED 0
    connect \Y $shl$/mnt/venture-data/projects/icebreaker/ice40-playground-git/cores/ice40/rtl/ice40_spram_gen.v:0$829_Y
    connect \B $add$/mnt/venture-data/projects/icebreaker/ice40-playground-git/cores/ice40/rtl/ice40_spram_gen.v:118$828_Y
    connect \A $and$/mnt/venture-data/projects/icebreaker/ice40-playground-git/cores/ice40/rtl/ice40_spram_gen.v:0$826_Y
  end