Unable to handle 2D array signals?

[secure-v]

Fail to handle such definition in a scope (regs[0] ==> [[[reg[63:0] regs[31:0];]]] is the register file in CPU core)?
line 1663 of wave.vcd: $var wire 64 j, regs[0] [63:0] $end
$var wire 64 ~, regs[10] [63:0] $end
$var wire 64 "- regs[11] [63:0] $end

Parsing~/wave.vcd
line 1663
: syntax error, unexpected TOK_DECIMAL_NUM, expecting TOK_KW_END
Parse Failed.