error occurred when insert data

Question

System.Data.SqlServerCe.SqlCeException occurred

HResult=0x80131501

Message=The database file may be corrupted. Run the repair utility to check the database file. [ Database name = \\?\C:\Users\Ashish Singh Hada\Documents\Visual Studio 2010\Projects\Medi Master\Medi Master\bin\Debug\MMDB.mdf ]

Source=SQL Server Compact ADO.NET Data Provider