Sage 300 People remuneration listing report import error

Hi, 

I customized a remuneration listing report for a client and I am trying to import it for another client but I keep getting the error below (The input stream is not a valid binary format. The starting contents (in bytes) are: 54-68-69-73-20-61-74-74-61-63-68-6D-65-6E-74-20-77 ...
Stack Trace: mscorlib) 

Kindly assist.

The input stream is not a valid binary format. The starting contents (in bytes) are: 54-68-69-73-20-61-74-74-61-63-68-6D-65-6E-74-20-77 ...
Stack Trace: mscorlib
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at System.Runtime.Serialization.Formatters.Binary.SerializationHeaderRecord.Read(__BinaryParser input)
at System.Runtime.Serialization.Formatters.Binary.__BinaryParser.ReadSerializationHeaderRecord()
at System.Runtime.Serialization.Formatters.Binary.__BinaryParser.Run()
at System.Runtime.Serialization.Formatters.Binary.ObjectReader.Deserialize(HeaderHandler handler, __BinaryParser serParser, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Deserialize(Stream serializationStream, HeaderHandler handler, Boolean fCheck, Boolean isCrossAppDomain, IMethodCallMessage methodCallMessage)
at Report.ReportBasic.AllReportsTreeList.barBtnDeserializeLayout_ItemClick(Object sender, ItemClickEventArgs e)
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