herokuデプロイ後、特定ページだけ表示されない問題を解決したいです。

前提・実現したいこと

本番環境で特定のページに遷移しようとするとエラーが出る問題を解決したいです。

ターミナルでエラーログを確認したところ、status=500と表示されており、原因が特定できずにいます。
また、開発環境では正常に表示されています。

発生している問題・エラーメッセージ

We're sorry, but something went wrong.
If you are the application owner check the logs for more information.

ターミナルのエラーログ

2021-03-04T09:35:10.523010+00:00 heroku[router]: at=info method=GET path="/rooms/14" host=アプリ名 request_id=e11c5dc3-c7b1-4d9c-bc07-777b058156d2 fwd="203.139.221.75" dyno=web.1 connect=0ms service=157ms status=500 bytes=1827 protocol=https

該当のソースコード

HTML
1div class="chat-room-contents">
2
3<div class="room-titles">
4  <div class="agenda-content">
5    <div class="contents-title">このルームのアジェンダ</div>
6  <div class="agenda">
7    <%= @room.agenda %>
8  </div>
9</div>
10
11<div class="content">
12  <div class="stance-contents">
13    <div class="contents-title">このルームのスタンス</div>
14    <div class="stance-content">
15      <div class="stance-title">スタンスA</div>
16      <div class="stance">
17        <%= @room.stanceA %>
18      </div>
19    </div>
20    
21    <div class="stance-content">
22      <div class="stance-title">スタンスB</div>
23      <div class="stance">
24        <%= @room.stanceB %>
25      </div>
26    </div>
27  </div>
28
29<% if user_signed_in? && current_user.id == @room.user_id %>
30<ul class="owner-menu">
31  <li class="owner-menu-list">
32    <a href="#" class="init-bottom">
33      メニュー<%= image_tag '矢印アイコン 下4.png', size: '12x12', class: "owner-menu-icon" %>
34    </a>
35  <ul class="second-menu">
36    <li>
37    <%= link_to room_path, method: :delete, class: "room-destroy" do %>
38      <%= image_tag 'ゴミ箱のアイコン素材.png', size: '16x16' %>
39      ルーム削除
40    <% end %>
41    </li>
42  </ul>
43  </li>
44</ul>
45<% end %>
46
47</div>
48
49</div>
50
51<div class="chat-contents">
52
53  <div class="chat-view">
54  
55  <div class="coments">
56  <% @posts.each do |post| %>
57  <div class="post-contents">
58    <div class="side_a">
59    <% if post.post_b == nil %>
60      <div class="speach_bubble_left">
61        <%= post.post_a %>
62        <div class="user-states">
63          <div class="user-name">
64            name:<%= post.user.name %>
65          </div>
66          <%= post.user.gender.name %>
67          <%= post.user.prefecture.name %>
68          <%= post.user.job.name %>
69        </div>
70      </div>
71    <% end %>
72    </div>
73    <div class="side_b">
74    <% if post.post_a == nil %>
75      <div class="speach_bubble_right">
76        <%= post.post_b %>
77        <div class="user-states">
78          <div class="user-name">
79            name:<%= post.user.name %>
80          </div>
81          <%= post.user.gender.name %>
82          <%= post.user.prefecture.name %>
83          <%= post.user.job.name %>
84        </div>
85      </div>
86    <% end %>
87    </div>
88  </div>
89  <% end %>
90  </div>
91
92  </div>
93
94  <div class="chat-form">
95    <input type="radio" name="tab_name" id="tab_a">
96    <label class="tab_content" for="tab_a">スタンスA</label>
97    <div class="chat-content">
98      
99      <%= form_with(model: [@room, @post], local: true) do |f| %>
100      <div class="form-input">
101        <%= f.text_area :post_a, class: 'form-comment', placeholder: 'スタンスAとしてコメント' %>
102      </div>
103      <%= f.submit 'コメントを投稿する', class: 'form-submit' %>
104      <% end %>
105
106    </div>
107    <input type="radio" name="tab_name" id="tab_b">
108    <label class="tab_content" for="tab_b">スタンスB</label>
109    <div class="chat-content">
110      
111      <%= form_with(model: [@room, @post], local: true) do |f| %>
112      <div class="form-input">
113        <%= f.text_area :post_b, class: 'form-comment', placeholder: 'スタンスBとしてコメント' %>
114      </div>
115      <%= f.submit 'コメントを投稿する', class: 'form-submit' %>
116      <% end %>
117
118    </div>
119  </div>
120
121</div>
122
123</div>

css
1.chat-room-contents {
2  height: 100%;
3  width: 100vw;
4  padding: 1vh 5vw 5vh 5vw;
5  background: whitesmoke;
6  flex-direction: column;
7  display: flex;
8  align-items: center;
9}
10
11.agenda-content {
12  display: flex;
13  flex-direction: column;
14  padding: 0 2vw;
15}
16
17.content {
18  display: flex;
19  justify-content: space-between;
20  padding: 0 2vw;
21}
22
23.room-titles {
24  width: 70vw;
25  display: flex;
26  flex-direction: column;
27  align-items: center;
28}
29
30.contents-title {
31  margin: 3vh 0 1vh 0;
32  font-size: 18px;
33  width: 100%;
34  text-align: left;
35}
36
37.stance-contents {
38  margin-right: 30px;
39  display: flex;
40  flex-direction: column;
41  justify-content: center;
42  align-items: center;
43  text-align: center;
44}
45
46.stance-content {
47  display: flex;
48  justify-content: space-around;
49  align-items: center;
50}
51
52.stance-title {
53  margin-right: 1vw;
54}
55
56.agenda, .stance {
57  font-size: 17px;
58  margin: 1vh 2vw;
59  padding: 1vh 1vw;
60  background: white;
61  border: black solid 1px;
62  border-radius: 4px;
63}
64
65.chat-contents {
66  margin-top: 2vh;
67  width: 60vw;
68}
69
70.chat-view {
71  height: 70vh;
72  width: 100%;
73  background: white;
74  border: black solid 1px;
75  overflow: auto;
76}
77
78.chat-form {
79  width: 100%;
80  flex-wrap: wrap;
81  display: flex;
82  justify-content: center;
83  align-items: center;
84}
85
86.post-contents {
87  display: flex;
88  justify-content: space-between;
89}
90
91.side_a, .side_b {
92  height: 100%;
93  width: 50%;
94  padding: 0 20px;
95}
96
97.side_b {
98  text-align: right;
99}
100
101.user-states {
102  margin-top: 10px;
103  font-size: 10px;
104  display: flex;
105  flex-direction: column;
106  justify-content: space-around;
107}
108
109.speach_bubble_left {
110  position: relative;
111  display: inline-block;
112  margin: 1.5em 0 1.5em 15px;
113  color: #555;
114  font-size: 20px;
115  background: rgb(247, 88, 88);
116  border: solid 3px #555;
117  box-sizing: border-box;
118  border-radius: 10px;
119  padding: 15px 10px;
120  word-break : break-all;
121  min-width: 150px;
122  max-width: 100%;
123}
124
125.speach_bubble_left:before {
126  content: "";
127  position: absolute;
128  top: 50%;
129  left: -24px;
130  margin-top: -12px;
131  border: 12px solid transparent;
132  border-right: 12px solid rgb(247, 88, 88);
133  z-index: 2;
134}
135
136.speach_bubble_left:after {
137  content: "";
138  position: absolute;
139  top: 50%;
140  left: -30px;
141  margin-top: -14px;
142  border: 14px solid transparent;
143  border-right: 14px solid #555;
144  z-index: 1;
145}
146
147.speach_bubble_right {
148  position: relative;
149  display: inline-block;
150  margin: 1.5em 15px 1.5em 0;
151  color: #555;
152  font-size: 20px;
153  background: aqua;
154  border: solid 3px #555;
155  box-sizing: border-box;
156  border-radius: 10px;
157  padding: 15px 10px;
158  text-align: left;
159  word-break : break-all;
160  min-width: 150px;
161  max-width: 100%;
162}
163
164.speach_bubble_right:before {
165  content: "";
166  position: absolute;
167  top: 50%;
168  right: -24px;
169  margin-top: -12px;
170  border: 12px solid transparent;
171  border-left: 12px solid aqua;
172  z-index: 2;
173}
174
175.speach_bubble_right:after {
176  content: "";
177  position: absolute;
178  top: 50%;
179  right: -30px;
180  margin-top: -14px;
181  border: 14px solid transparent;
182  border-left: 14px solid #555;
183  z-index: 1;
184}
185
186.tab_content {
187  height: 50px;
188  width: 50%;
189  margin-bottom: 0;
190  background-color: darkgrey;
191  line-height: 50px;
192  font-size: 15px;
193  text-align: center;
194  display: block;
195  order: -1;
196}
197
198input[name="tab_name"] {
199  display: none;
200}
201
202input:checked + .tab_content {
203  background-color: cadetblue;
204  color: aliceblue;
205}
206 
207.chat-content {
208  display: none;
209  width: 100%;
210}
211 
212input:checked + .tab_content + .chat-content {
213  display: block;
214}
215
216.room-destroy {
217  text-decoration: none;
218  font-size: 17px;
219  color: black;
220}
221
222.owner-menu {
223  width: 130px;
224  margin-top: 15px;
225  padding: 0;
226}
227
228.owner-menu li a {
229  text-decoration: none;
230  color: black;
231  font-size: 18px;
232}
233
234.owner-menu-icon {
235  margin-left: 3px;
236}
237
238.owner-menu li.owner-menu-list {
239  position: relative;
240  margin: 0;
241}
242
243li.owner-menu-list ul.second-menu{
244  position: absolute;
245  top: 20px;
246  height: 25px;
247  width: 100%;
248  visibility: hidden;
249  -webkit-transition: all .2s ease;
250  transition: all .2s ease;
251}
252
253li.owner-menu-list:hover ul.second-menu {
254  top: 25px;
255  visibility: visible;
256  opacity: 1;
257}
258
259.second-menu {
260  display: flex;
261  align-items: center;
262}
263
264.form-comment {
265  font-size: 15px;
266  height: 100px;
267  width: 100%;
268  border-radius: 0;
269}
270
271.form-submit {
272  font-size: 18px;
273  height: 40px;
274  width: 100%;
275  margin: 0;
276  border-radius: 0px;
277}