Name '_o' is not declared

[vinoth82]

Name '_o' is not declared this error occurs in masterpage. how to solve it

[falaque]

can you elaborate your question.

[vinoth82]

This error which will not affect the page. In master page while these type of
html anchor tag the below line will show blue color line. while mouse over it
the error msg displayed

<% SocResource.GetResourceName = "SOC-MST25"%>
<a href="<%=SocResource.GetResourceName%>" class="menulink">Advertise</a>
<%Else%>
<% SocResource.GetResourceName = "SOC-MST26"%>
<a href="<%=SocResource.GetResourceName%>" class="menulink">Advertise</a>
<%End if %>

[falaque]

this may help you. try out. as it suggests check all your inline code.

check each block one by one, i.e. while checking one block comment out other blocks.

[Frinavale]

@vinoth82
What is "SocResource"?
I don't think you're retrieving the resource properly.