Every time I open a file, I get some error messages.

[Sujiyi]

Hello everyone ！
Every time I open a file, I get some error messages.
The message is below：

Error detected while processing function rainbow_main#load[1]..rainbow_main#gen_
configs[1]..rainbow_main#gen_config:
line 21:
E716: Key not present in Dictionary: cterm))
E116: Invalid arguments for function len(conf.cterm))
E116: Invalid arguments for function s:lcm(len(conf.ctermfgs), len(conf.cterm))
Error detected while processing function rainbow_main#load[3]..rainbow#syn:
line 3:
E716: Key not present in Dictionary: cycle
line 14:
E121: Undefined variable: cycle
line 18:
E121: Undefined variable: cycle
E116: Invalid arguments for function range(cycle)
E121: Undefined variable: cycle
E116: Invalid arguments for function range(cycle)
E121: Undefined variable: cycle
E116: Invalid arguments for function range(cycle)
line 32:
E121: Undefined variable: cycle
E116: Invalid arguments for function range(cycle), '"'.prefix.'_r".v:val'),',')
E116: Invalid arguments for function map(range(cycle), '"'.prefix.'_r".v:val'),'
-- More --

What should I do to fix it?

version:
:version
VIM - Vi IMproved 8.1 (2018 May 18, compiled Mar 2 2019 02:44:03)
Included patches: 1-989
Huge version without GUI. Features included (+) or not (-):
+acl +extra_search +mouse_netterm +tag_old_static
+arabic -farsi +mouse_sgr -tag_any_white
+autocmd +file_in_path -mouse_sysmouse -tcl
+autochdir +find_in_path +mouse_urxvt +termguicolors
-autoservername +float +mouse_xterm +terminal
-balloon_eval +folding +multi_byte +terminfo
+balloon_eval_term -footer +multi_lang +termresponse
-browse +fork() -mzscheme +textobjects
++builtin_terms +gettext +netbeans_intg +textprop
+byte_offset -hangul_input +num64 +timers
+channel +iconv +packages +title
+cindent +insert_expand +path_extra -toolbar
-clientserver +job -perl +user_commands
-clipboard +jumplist +persistent_undo +vartabs
+cmdline_compl +keymap +postscript +vertsplit
+cmdline_hist +lambda +printer +virtualedit
+cmdline_info +langmap +profile +visual
+comments +libcall -python +visualextra

[LuengChaoH]

I also encountered the same problem, this problem is caused by rainbow！
https://github.com/luochen1990/rainbow/pull/112

[Sujiyi]

I also encountered the same problem, this problem is caused by rainbow！
https://github.com/luochen1990/rainbow/pull/112

Thank you for your help! I solved this problem with your help.

[lmayorga1980]

I've got the same problem.