I am Getting this Error when i run/save the vf page:
Error: Cannot coerce from class core.apexpages.el.adapters.RuntimeTypeMetadataELAdapter to class java.lang.Boolean    

this is my vf code:

<apex:repeat value="{!mapkeys}" var="key">
<!--    <apex:column headerValue="{!key}"> </apex:column>-->
    
    <apex:dataTable value="{!mapprofile[key]}" var="v" width="30%" border="2">
 <apex:column value="{!v.SObjectType}"  headerValue="Sobject Name"/> 
             <apex:column value="{!v.PermissionsRead}" headerValue="Read"/>
             <apex:column value=" {!v.PermissionsCreate}" headerValue="Creat"/>
<apex:column value=" {!v.PermissionsEdit}" headerValue="Edit"/> 
<apex:column value=" {!v.PermissionsDelete}" headerValue="Delete"/>  
</apex:dataTable>
    
    
        <!--<apex:outputText value="{!yourMap[key]}"/> -->
    
</apex:repeat>

and i dont know how to clear this bug, i searched here and also i googled  but no luck , 
can any one quickly respond to my post please.

thanks in advance.