stack traceback error

[Vadiraj K.S]

Firstly, thanks for share all this and I was pretty happy by making use of it!!.
I keep getting many error as mentioned below and i have no idea what it all means about it.
can you please help me how to eliminate this. Thanks and Regards
stack traceback:
/usr/local/openresty/nginx/conf/conf.d/workdir/counter.lua:37: in function 'parse_fullurl'
/usr/local/openresty/nginx/conf/conf.d/workdir/counter.lua:62: in function 'log'
log_by_lua(counter.conf:20):2: in main chunk while logging request, client: 139.5.253.9, server: test.example.com, request: "POST /v2/api/dictionary/SITE?pageNumber=0&pageSize=1000&refresh=false&sort=id- HTTP/1.1", upstream: "https://127.0.0.1:44456/v2/api/dictionary/SITE?pageNumber=0&pageSize=1000&refresh=false&sort=id-", host: "test.example.com", referrer: "https://www.test.example.com/strategy/edit/51328?index=1"
2020/06/19 08:41:30 [error] 31497#31497: *4139 [lua] counter.lua:66: log(): latency=0.056,status=200,endpoint=/v2,fullurl=/v2/api/dictionary/SITE while logging request, client: 139.5.253.9, server: test.example.com, request: "POST /v2/api/dictionary/SITE?pageNumber=0&pageSize=1000&refresh=false&sort=id- HTTP/1.1", upstream: "https://127.0.0.1:44456/v2/api/dictionary/SITE?pageNumber=0&pageSize=1000&refresh=false&sort=id-", host: "test.example.com", referrer: "https://www.test.example.com/strategy/edit/51328?index=1"