Lua reported a runtime error:
    File "C:/Users\Andrew\AppData\Roaming\Aegisub\automation\include\Effector-utils-lib-3.3.lua", line 15542
<anonymous function at lines 15394-15678>
    File "C:/Users\Andrew\AppData\Roaming\Aegisub\automation\include\Effector-utils-lib-3.3.lua", line 14969
preprosses_macro
    File "C:/Users\Andrew\AppData\Roaming\Aegisub\automation\include\Effector-utils-lib-3.3.lua", line 15045
preprosses_lines
    File "C:/Users\Andrew\AppData\Roaming\Aegisub\automation\include\Effector-utils-lib-3.3.lua", line 12749
remove_syls_nil
    File "C:/Users\Andrew\AppData\Roaming\Aegisub\automation\include\Effector-utils-lib-3.3.lua", line 12824
text2syl
    File "C:/Users\Andrew\AppData\Roaming\Aegisub\automation\include\Effector-utils-lib-3.3.lua", line 12781
to_word
    File "C:/Program Files\Aegisub\automation\include\aegisub\argcheck.moon", line 67
len
    File "<C function>", line -1
?
Expected 1 arguments, got 2