VScode latex環境構築　windows

#VScodeをエディタとして，latexの環境構築をしたい

やったこと

1　texliveのインストール
2　VScoodeのインストール
3　latex-workshopのインストール
4　VScodeのsetting.jsonの修正
5　latexmk sample.texの実行

参考にしたサイト

https://qiita.com/SUZUKI_Masaya/items/7fb5509006163e7e671f

setting.jsonに追加したもの

setting
1    "latex-workshop.latex.tools": [
2        {
3            "name": "latexmk",
4            "command": "latexmk",
5            "args": [
6                "-synctex=1",
7                "-interaction=nonstopmode",
8                "-file-line-error",
9                "-pdf",
10                "%DOC%"
11            ]
12        },
13        {
14            "name": "pdflatex",
15            "command": "pdflatex",
16            "args": [
17                "-synctex=1",
18                "-interaction=nonstopmode",
19                "-file-line-error",
20                "%DOC%"
21            ]
22            },
23        {
24            "name": "bibtex",
25            "command": "bibtex",
26            "args": [
27                "%DOCFILE%"
28            ]
29        },
30        {
31            "name":"ptex2pdf",
32            "command": "ptex2pdf",
33            "args": [
34                "-l",
35                "-ot",
36                "-kanji=utf8 -synctex=1",
37                "%DOC%"
38            ]
39        },
40        {
41            "name":"ptex2pdf (uplatex)",
42            "command": "ptex2pdf",
43            "args": [
44                "-l",
45                "-u",
46                "-ot",
47                "-kanji=utf8 -synctex=1",
48                "%DOC%"
49            ]
50        },
51        {
52            "name": "pbibtex",
53            "command": "pbibtex",
54            "args": [
55                "-kanji=utf8",
56                "%DOCFILE%"
57            ]
58        }
59    ],
60    "latex-workshop.latex.recipes": [
61        {
62            "name": "latexmk",
63            "tools": [
64                "latexmk"
65            ]
66        },
67        {
68            "name": "pdflatex*2",
69            "tools": [
70                "pdflatex",
71                "pdflatex"
72            ]
73        },
74        {
75            "name": "pdflatex -> bibtex -> pdflatex*2",
76            "tools": [
77                "pdflatex",
78                "bibtex",
79                "pdflatex",
80                "pdflatex"
81            ]
82        },
83        {
84            "name": "ptex2pdf*2",
85            "tools": [
86                "ptex2pdf",
87                "ptex2pdf"
88            ]
89        },
90        {
91            "name": "ptex2pdf -> pbibtex -> ptex2pdf*2",
92            "tools": [
93                "ptex2pdf",
94                "pbibtex",
95                "ptex2pdf",
96                "ptex2pdf"
97            ]
98        },
99        {
100            "name": "ptex2pdf (uplatex) *2",
101            "tools": [
102                "ptex2pdf (uplatex)",
103                "ptex2pdf (uplatex)"
104            ]
105        },
106        {
107            "name": "ptex2pdf (uplatex) -> pbibtex -> ptex2pdf (uplatex) *2",
108            "tools": [
109                "ptex2pdf (uplatex)",
110                "pbibtex",
111                "ptex2pdf (uplatex)",
112                "ptex2pdf (uplatex)"
113            ]
114        },
115    ]
116

エラーメッセージ

latexmk sample.tex
Latexmk: This is Latexmk, John Collins, 25 October 2018, version: 4.61.
Latexmk: applying rule 'latex'...
Rule 'latex': Rules & subrules not known to be previously run:
   latex
Rule 'latex': The following rules & subrules became out-of-date:
      'latex'
------------
Run number 1 of rule 'latex'
------------
------------
Running 'latex  -recorder  "sample.tex"'
------------
This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018/W32TeX) (preloaded format=latex)
 restricted \write18 enabled.
entering extended mode
(./sample.tex
LaTeX2e <2018-12-01>
(./thesis.cls

! LaTeX Error: This file needs format `pLaTeX2e'
               but this is `LaTeX2e'.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...

l.38 \NeedsTeXFormat{pLaTeX2e}

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