An error occurred while processing the template. 
Can't convert this string to number: ""
The blamed expression:
==> img?keep_after("documents/")?keep_before("/")?number  [in template "20097#20123#35306311" at line 54, column 30]

----
FTL stack trace ("~" means nesting-related):
	- Failed at: groupIdImage = img?keep_after("docume...  [in template "20097#20123#35306311" at line 54, column 15]
----
1<style> 
2    .card-subtitle .text-truncate{ 
3        font-style:italic; 
4        font-size:11px; 
5        font-weight:600; 
6    } 
7    .card-title{ 
8        font-size:20px; 
9        font-weight:700; 
10        line-height:1.2; 
11    } 
12    .card-body{ 
13        padding-right:0!important; 
14        padding-left:0!important; 
15        padding-top:.3rem!important; 
16    } 
17    .descripcion{ 
18        margin-top:.4rem; 
19    } 
20    .descripcion a{ 
21        color:#000; 
22    } 
23    .descripcion a:hover{ 
24        color:#000; 
25        text-decoration:none; 
26    } 
27</style> 
28<#macro truncate_text text limit> 
29<#assign truncatedText = "" /> 
30<#if text?length gt limit> 
31<#assign truncatedText = text?substring(0,limit)/> 
32<#assign truncatedText = truncatedText + "..."/> 
33${truncatedText} 
34<#else> 
35${text} 
36</#if> 
37</#macro> 
38<div class="search-total-label"> 
39	${languageUtil.format(locale, "x-results-for-x", [searchContainer.getTotal(), "<strong>" + htmlUtil.escape(searchResultsPortletDisplayContext.getKeywords()) + "</strong>"], false)} 
40</div> 
41<div class="display-card"> 
42	<ul class="card-page"> 
43		<#if entries?has_content> 
44			<#list entries as entry> 
45			 <#assign journalArticleLocalService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService") /> 
46			 <#if journalArticleLocalService.getLatestArticle(entry.getClassPK()).getArticleImageURL(themeDisplay)?has_content> 
47			 <#assign img = journalArticleLocalService.getLatestArticle(entry.getClassPK()).getArticleImageURL(themeDisplay) /> 
48			 </#if> 
49            <#assign  
50            dlFileEntryService = serviceLocator.findService("com.liferay.document.library.kernel.service.DLFileEntryLocalService") /> 
51             <#if img?has_content>   
52             <#assign 
53              uuid1=img?keep_before("?")?keep_after_last("/")  
54              groupIdImage = img?keep_after("documents/")?keep_before("/")?number 
55              step1 = dlFileEntryService.getFileEntryByUuidAndGroupId(uuid1, groupIdImage) 
56             /> 
57           </#if> 
58                <#assign info_art2 = journalArticleLocalService.getLatestArticle(entry.getClassPK())> 
59                <#assign fecha = info_art2.getDisplayDate()?datetime?string["MMM dd, yyyy"]> 
60				<li class="card-page-item card-page-item-asset"> 
61					<div class="tarjeta-noticia"> 
62						<div class="card-item-first"> 
63						    <#if img?has_content> 
64                               <#if step1.getDescription()?has_content> 
65                                 <img class="noticia_reciente_image" src="${img}" alt="${step1.getDescription()}" style="width:100%"/> 
66                               <#else> 
67                                 <img class="noticia_reciente_image" src="${img}" alt="${step1.getTitle()}" style="width:100%"/> 
68                               </#if> 
69							<#else> 
70							<img class="rel_dest_image" src="https://www.uninorte.edu.co/documents/13400067/14601182/Logo_Uninorte.jpg/48cf4a2c-1cb9-3ea3-f675-dc4096815673?t=1667419477389" alt="Uninorte logo" style="width:100%"/> 
71							</#if> 
72						</div> 
73						<div class="card-body"> 
74							<div class="card-row"> 
75								<div class="autofit-col autofit-col-expand"> 
76									<section class="autofit-section"> 
77											<p class="card-subtitle"> 
78												<span class="text-truncate-inline"> 
79													<span class="text-truncate"> 
80														<#if fecha?contains("Jan")> 
81														${fecha?replace("Jan", "Ene")} 
82														<#elseif fecha?contains("Apr")> 
83														${fecha?replace("Apr", "Abr")} 
84														<#elseif fecha?contains("Aug")> 
85														${fecha?replace("Aug", "Ago")} 
86														<#elseif fecha?contains("Dec")> 
87														${fecha?replace("Dec", "Dic")} 
88														<#else> 
89														${fecha} 
90														</#if> 
91													</span> 
92												</span> 
93											</p> 
94										 
95										<h3 class="card-title"> 
96											<a href="${entry.getViewURL()}"> 
97											    ${stringUtil.shorten(entry.getHighlightedTitle(), 110)} 
98											</a> 
99										</h3> 
100										<#if entry.isContentVisible()> 
101											<div class="descripcion"> 
102											    <#if info_art2.getDescription()?has_content> 
103											    <a href="${entry.getViewURL()}"> 
104											      ${stringUtil.shorten(info_art2.getDescription(), 300)} 
105											    </a> 
106											    </#if> 
107											</div> 
108										</#if> 
109									</section> 
110								</div> 
111							</div> 
112						</div> 
113					</div> 
114				</li> 
115			</#list> 
116		</#if> 
117	</ul> 
118</div> 
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