در حین انجام عملیات خطایی رخ داده است.
The following has evaluated to null or missing:
==> .vars['reserved-article-display-date']  [in template "20098#20124#37706" at line 15, column 24]

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Tip: It's the final [] step that caused this error, not those before it.
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Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

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FTL stack trace ("~" means nesting-related):
	- Failed at: #assign displaydate = .vars["reserved...  [in template "20098#20124#37706" at line 15, column 1]
----
1<#assign liferay_ui = taglibLiferayHash["/META-INF/liferay-ui.tld"] /> 
2 
3<#assign JournalArticleLocalService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService")> 
4 <#assign assetLinkLocalService = serviceLocator.findService("com.liferay.asset.kernel.service.AssetLinkLocalService" )> 
5 <#assign assetEntryLocalService = serviceLocator.findService("com.liferay.asset.kernel.service.AssetEntryLocalService" )> 
6 <#assign getterUtil = staticUtil["com.liferay.portal.kernel.util.GetterUtil"] /> 
7 <#assign currentArticle = JournalArticleLocalService.getArticle(getterUtil.getLong(groupId),.vars['reserved-article-id'].data)> 
8 <#assign currentArticleResourcePrimKey = currentArticle.getResourcePrimKey()> 
9 <#assign currentArticleAssetEntry = assetEntryLocalService.getEntry("com.liferay.journal.model.JournalArticle", currentArticleResourcePrimKey)/> 
10 
11 <#assign viewCount = currentArticleAssetEntry.viewCount/> 
12 
13 
14<#-- Retrieve the published date meta data field of the web content --> 
15<#assign displaydate = .vars['reserved-article-display-date'].data> 
16<#-- Save the original page locale for later --> 
17<#assign originalLocale = .locale> 
18 
19<#-- Set the page locale to the portals default locale --> 
20<#setting locale = localeUtil.getDefault()> 
21 
22<#-- Parse the date to a date object --> 
23<#assign displaydate = displaydate?datetime("EEE, d MMM yyyy HH:mm:ss Z")> 
24 
25<#-- Set the page locale back to the original page locale --> 
26<#--#assign locale = ''--> 
27<#assign dateFormat = "dd MMM yyyy" />  
28<#assign publishDate=dateUtil.getDate(displaydate,dateFormat,localet)/>   
29 
30<section class="sp-top-details" style="background:url('${cover_img.getData()}');background-size:cover;background-position: center;background-color:#001650;"> 
31    <div class="container">  
32        <div class="row">  
33            <div class="sp-news-details">  
34			 
35                <div class="sp-breascumbs d-none"> 
36                <@liferay.language key="home"/> 
37                <span class="sp-category"></span> 
38                </div> 
39                <div class="sp-title">${.vars['reserved-article-title'].data}</div>  
40                <div class="sp-meta">  
41                    <ul>  
42                        <li class="sp-date"> 
43                            <i class="icon-calendar"></i> 
44                            <span create-date="${publishDate}"></span> 
45                        </li>  
46                        <li class="sp-view"> 
47                            ${viewCount} 
48                             <#if locale=='fa_IR'> بازدید <#else> Views </#if> 
49                        </li>  
50                        <!--li class="sp-rate"> 
51                            <@liferay_ui["ratings"] className="" classPK=currentArticleAssetEntry.getEntryId() type="stars" /> 
52                        </li-->  
53                    </ul>  
54                </div>  
55            </div>  
56        </div>  
57    </div> 
58</section>  
59<section class="sp-news-content">  
60    <div class="container">  
61        <div class="row">  
62            <div class="sp-content-details">  
63                <div id="scroll" class="header">  
64                    <div class="progress-container">  
65                        <div class="progress-bar" id="myBar"></div> 
66                    </div>  
67                </div> 
68                <div class="content">  
69                    <div class="sp-share">  
70                        <ul>  
71                            <li class="sp-print"> 
72                                <a class="sp-link-nextSibling" href="" onclick="window.print()"> 
73                                <svg class="lexicon-icon lexicon-icon-print" focusable="false" role="img" title="" viewBox="0 0 512 512"><title>print</title> <path class="lexicon-icon-body" fill="none" d="M448,96h-63.5V33c0-18.2-14.8-33-33-33H161.4c-18.2,0-33,14.8-33,33v63H64c-35.3,0-64,27.7-64,63v193.3 c0,35.3,28.7,64,64,64h32.6v64.3c0,18.2,14.8,33,33,33h254.9c18.2,0,32-14.8,32-33v-64.3H448c35.3,0,64-28.7,64-64V159 C512,123.7,483.3,96,448,96z"></path> <path class="lexicon-icon-outline" d="M448,96h-63.5V33c0-18.2-14.8-33-33-33H161.4c-18.2,0-33,14.8-33,33v63H64c-35.3,0-64,27.7-64,63v193.3 c0,35.3,28.7,64,64,64h32.6v64.3c0,18.2,14.8,33,33,33h254.9c18.2,0,32-14.8,32-33v-64.3H448c35.3,0,64-28.7,64-64V159 C512,123.7,483.3,96,448,96z M192.4,64h128.1v32.4H192.4V64z M351.6,447.6h-191v-95.3h190.9L351.6,447.6z M448,352.3h-31.4v-31.1 c0-18.2-14.8-33-33-33h-254c-18.2,0-33,14.8-33,33v31.1H64V160h384V352.3L448,352.3z"></path> <circle class="lexicon-icon-outline" cx="112" cy="208.3" r="16"></circle> <circle class="lexicon-icon-outline" cx="176.3" cy="208" r="15.7"></circle> </svg> 
74                                </a> 
75                            </li>  
76                            <li class="sp-send-email">  
77                                <a class="sp-link-nextSibling" href="mailto:name1@rapidtables.com?cc=name2@rapidtables.com&bcc=name3@rapidtables.com &subject=${.vars['reserved-article-title'].data}"> 
78                                    <svg aria-hidden="true" class="lexicon-icon lexicon-icon-share" focusable="false" viewBox="0 0 512 512"><title>share</title> <path class="lexicon-icon-outline" d="M326.2,323.3l-107.6-53.8c2.7-5.9,2.4-19.9,0-27.1l107.6-53.8c77.2,69.3,185.8,13,185.8-78.9C512,49.2,462.8,0,402.3,0S287,51.3,293.4,123.3l-107.6,53.8C113.3,108,0,161.7,0,256c0,100.3,118.3,143.7,185.8,78.9l107.6,53.8C285,460.7,341.8,512,402.3,512S512,462.8,512,402.3C512,314.3,406.3,252,326.2,323.3z M438.9,109.7c0,49-73.1,47.6-73.1,0C365.7,60.3,438.9,62,438.9,109.7z M73.1,256c0-49,73.1-49,73.1,0C146.3,303.3,73.1,305,73.1,256z M365.7,402.3c0-48.6,73.1-49,73.1,0C438.9,451,365.7,449.7,365.7,402.3z"></path>  
79                                    </svg> 
80                                </a>  
81                            </li>  
82                            <li class="sp-sapp"> 
83                                <a class="sp-link-nextSibling" href="https://sapp.ir/share?url=${themeDisplay.getLayout().getFriendlyURL()} &text=${.vars['reserved-article-title'].data}"><i class="icon-ic-soroosh-dark"></i></a> 
84                            </li>  
85                        </ul>  
86                    </div>  
87                    <img src="${.vars['reserved-article-small-image-url'].getData()}" class="img-main float-right img-responsive" />  
88                    ${content.getData()}  
89                    <#if files.getData()!=""> 
90                        <a class="sp-link-nextSibling btn btn-info" href="${files.getData()}" download> 
91                            <i class="icon-download"></i> 
92	                        ${languageUtil.format(locale, "download-x", "فایل", false)} 
93                        </a> 
94                    </#if> 
95                    <#if video.getData()!=""> 
96                    <div class="col-6 m-auto pt-4" style="clear: both;"> 
97                        <video style="width: 100%;" poster="${image_snapshot.getData()}" controls> 
98                          <source src="${video.getData()}"  preload="none"> 
99                        Your browser does not support the video tag. 
100                        </video> 
101                    </div> 
102                    </#if> 
103                    <#if audio.getData()!=""> 
104                        <div class="col-6 m-auto pt-4" style="clear: both;"> 
105                            <audio style="width: 100%;" controls> 
106                              <source src="${audio.getData()}"> 
107                            Your browser does not support the audio element. 
108                            </audio> 
109                        </div> 
110                    </#if> 
111                    <#if other_images?? && other_images.getData() != "" && other_images.getSiblings()?has_content> 
112                    <div class="demo-gallery col-6 m-auto pt-4" style="clear: both;"> 
113                        <link type="text/css" rel="stylesheet" href="/o/sbu-theme/css/lightslider.css" />                   
114                        <script src="/o/sbu-theme/js/lightslider.js"></script> 
115                        <ul id="lightSlider"> 
116                        	<#list other_images.getSiblings() as cur_other_images> 
117                            	<li data-thumb="${cur_other_images.getData()}"> 
118                                    <img src="${cur_other_images.getData()}" /> 
119                                </li> 
120                        	</#list> 
121                        </ul> 
122                        <script> 
123                            var dir=$("html").attr("dir"); 
124                            var rtol=false; 
125                            if(dir=="rtl"){rtol=true} 
126                              $(document).ready(function() { 
127                                $('#lightSlider').lightSlider({ 
128                                    rtl: rtol, 
129                                    gallery: true, 
130                                    item: 1, 
131                                    loop:true, 
132                                    slideMargin: 0, 
133                                    thumbItem: 9 
134                                }); 
135                              });  
136                        </script> 
137                        <style> 
138                            #lightSlider ul { 
139                                list-style: none outside none; 
140                                margin-bottom:0; 
141
142                            #lightSlider li { 
143                                display: block; 
144                                cursor:pointer; 
145
146                            #lightSlider img { 
147                                display: block; 
148                                height: auto; 
149                                max-width: 100%; 
150                                    width: 100%; 
151
152                            .demo-gallery .lSSlideOuter .lSPager.lSGallery img { 
153                                height: 32px; 
154
155                        </style> 
156                        </div> 
157                    </#if> 
158                     
159                    <@liferay_portlet["runtime"] portletName="com_liferay_comment_page_comments_web_portlet_PageCommentsPortlet" /> 
160 
161                </div>  
162            </div>  
163        </div>  
164    </div>  
165</section> 
166<script> 
167    // When the user scrolls the page, execute myFunction 
168    window.onscroll = function() {myFunction()}; 
169    function myFunction() { 
170        var winScroll = document.body.scrollTop || document.documentElement.scrollTop; 
171        var height = document.documentElement.scrollHeight - document.documentElement.clientHeight; 
172        var scrolled = (winScroll / height) * 100; 
173        document.getElementById("myBar").style.width = scrolled + "%"; 
174        // Get the header 
175        var header = document.getElementById("scroll"); 
176        var topBar = document.getElementById("topbar"); 
177        // Get the offset position of the navbar 
178        var sticky = header.offsetTop+200; 
179        if (window.pageYOffset > sticky) { 
180            header.classList.add("sticky"); 
181            topBar.classList.add("d-none"); 
182        } else { 
183            header.classList.remove("sticky"); 
184            topBar.classList.remove("d-none"); 
185
186
187    $( document ).ready(function() { 
188        //$( ".sp-rate" ).append($('.asset-ratings .liferay-rating-score').html()); 
189        //$('.asset-ratings .liferay-rating-score').hide(); 
190        //$('.print-action').hide(); 
191        //$('.sp-print a').attr('href',$('.print-action a').attr('href')); 
192        $(".sp-meta .sp-date span").each(function(){ 
193    		var dp=$(this).attr('create-date'); 
194    		var dir=$("html").attr("dir"); 
195            if(dir=="rtl") 
196
197                $(this).text(moment(dp).locale('fa').format('D MMM YYYY')); 
198
199            else 
200
201                $(this).text(dp); 
202
203         
204        }); 
205        var txt = $('.metadata-view-count').text(); 
206        var numb = txt.match(/\d/g); 
207        numb = numb.join(""); 
208         
209        $('.sp-view').text('بازدید '+numb); 
210        $('.sp-category').text($('.asset-category').text()); 
211         
212    }); 
213</script>