Error While Searching case in Search bar of Case Entity

Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=5.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: System.Xml.XmlException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #B55AA7ACDetail:
<OrganizationServiceFault xmlns:i="www.w3.org/.../XMLSchema-instance" xmlns="schemas.microsoft.com/.../Contracts">
<ErrorCode>-2147220970</ErrorCode>
<ErrorDetails xmlns:d2p1="schemas.datacontract.org/.../System.Collections.Generic">
<KeyValuePairOfstringanyType>
<d2p1:key>CallStack</d2p1:key>
<d2p1:value xmlns:d4p1="www.w3.org/.../XMLSchema" i:type="d4p1:string"> at Microsoft.Crm.Application.WebServices.AppGridWebServiceHandler.ProcessRequestInternal(HttpContext context)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously)</d2p1:value>
</KeyValuePairOfstringanyType>
</ErrorDetails>
<Message>System.Xml.XmlException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #B55AA7AC</Message>
<Timestamp>2017-08-17T16:04:02.9816356Z</Timestamp>
<InnerFault>
<ErrorCode>-2147220970</ErrorCode>
<ErrorDetails xmlns:d3p1="schemas.datacontract.org/.../System.Collections.Generic">
<KeyValuePairOfstringanyType>
<d3p1:key>CallStack</d3p1:key>
<d3p1:value xmlns:d5p1="www.w3.org/.../XMLSchema" i:type="d5p1:string"> at System.Guid.GuidResult.SetFailure(ParseFailureKind failure, String failureMessageID, Object failureMessageFormatArgument, String failureArgumentName, Exception innerException)
at System.Guid.TryParseGuid(String g, GuidStyles flags, GuidResult&amp; result)
at System.Guid..ctor(String g)
at Microsoft.Crm.Application.Controls.AppGrid.set_ViewId(String value)
at Microsoft.Crm.Application.WebServices.AppGridWebServiceHandler.FillNewGrid(AppGrid appGrid, XmlDocument gridXml, String id)
at Microsoft.Crm.Application.WebServices.AppGridWebServiceHandler.Reset(String gridXml, String id, StringBuilder sbXml, StringBuilder sbHtml)
at Microsoft.Crm.Application.WebServices.AppGridWebServiceHandler.ProcessRequestInternal(HttpContext context)</d3p1:value>
</KeyValuePairOfstringanyType>
</ErrorDetails>
<Message>System.FormatException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #8C159323</Message>
<Timestamp>2017-08-17T16:04:02.9816356Z</Timestamp>
<InnerFault i:nil="true" />
<TraceText i:nil="true" />
</InnerFault>
<TraceText i:nil="true" />
</OrganizationServiceFault>