Presencia de Farmavenix en Pharma 2018 en Lisboa

Se ha producido un error al procesar la plantilla.
The following has evaluated to null or missing:
==> htmlUtil.extractText  [in template "184978018#184978059#54318" at line 28, column 39]

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Tip: It's the step after the last dot 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: ${htmlUtil.extractText(cur_SeccionesT...  [in template "184978018#184978059#54318" at line 28, column 37]
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1<div class="biosimilares"> 
2<#assign backgroundImage = ""/> 
3 
4<#if ImagenPrincipal.getData()?? && ImagenPrincipal.getData() != "">        
5	<#assign backgroundImage = ImagenPrincipal.getData() />        
6</#if> 
7 
8<div class="jumbotron jumboImg" style="background-image: url('${backgroundImage}')"> 
9	<div class="container"> 
10		<h1>${Titulo.getData()}</h1> 
11	</div> 
12</div> 
13 
14<#if TituloSeccion.getSiblings()?has_content> 
15	<#list TituloSeccion.getSiblings() as cur_SeccionesTitulo> 
16		<#if cur_SeccionesTitulo.ImagenSeccion.getData()?? && cur_SeccionesTitulo.ImagenSeccion.getData() != ""> 
17			<div class="divQuesBiosim clearfix"> 
18				<div class="col-sm-4 col-md-5 col-lg-6 divQuesBiosimImg"> 
19					<img alt="${cur_SeccionesTitulo.ImagenSeccion.getAttribute("alt")}" src="${cur_SeccionesTitulo.ImagenSeccion.getData()}" /> 
20				</div> 
21				<div class="col-sm-8 col-md-7 col-lg-6 divQuesBiosimInfo"> 
22					<h3>${htmlUtil.extractText(cur_SeccionesTitulo.getData())}</h3> 
23					<p>${htmlUtil.extractText(cur_SeccionesTitulo.TextoSeccion.getData())}</p> 
24				</div> 
25			</div> 
26		<#else> 
27			<div class="divOportunidadBiosim"> 
28				<h3>${htmlUtil.extractText(cur_SeccionesTitulo.getData())}</h3> 
29				<p>${htmlUtil.extractText(cur_SeccionesTitulo.TextoSeccion.getData())}</p> 
30			</div> 
31		</#if> 
32	</#list> 
33</#if>  
34</div>