Closed Unassigned: Error after placing module on page [10]

I am using the Export/Import tool in DNN 7.4.2.

When I drop the module on a page, I get the error below. Thanks for any help.

Larry

Error: forDNN.UsersExportImport is currently unavailable. DotNetNuke.Services.Exceptions.ModuleLoadException: An error occurred loading a configuration file: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. (machine.config) ---> System.Configuration.ConfigurationErrorsException: An error occurred loading a configuration file: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. (machine.config) ---> System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.FileIOPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessSecurityEngine.Check(CodeAccessPermission cap, StackCrawlMark& stackMark) at System.Security.CodeAccessPermission.Demand() at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at System.Configuration.Internal.InternalConfigHost.StaticOpenStreamForRead(String streamName) at System.Configuration.Internal.InternalConfigHost.System.Configuration.Internal.IInternalConfigHost.OpenStreamForRead(String streamName, Boolean assertPermissions) at System.Configuration.Internal.InternalConfigHost.System.Configuration.Internal.IInternalConfigHost.OpenStreamForRead(String streamName) at System.Configuration.Internal.DelegatingConfigHost.OpenStreamForRead(String streamName) at System.Configuration.UpdateConfigHost.OpenStreamForRead(String streamName) at System.Configuration.BaseConfigurationRecord.InitConfigFromFile() --- End of inner exception stack trace --- at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal) at System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors) at System.Configuration.Configuration..ctor(String locationSubPath, Type typeConfigHost, Object[] hostInitConfigurationParams) at System.Configuration.Internal.InternalConfigConfigurationFactory.System.Configuration.Internal.IInternalConfigConfigurationFactory.Create(Type typeConfigHost, Object[] hostInitConfigurationParams) at System.Web.Configuration.WebConfigurationHost.OpenConfiguration(WebLevel webLevel, ConfigurationFileMap fileMap, VirtualPath path, String site, String locationSubPath, String server, String userName, String password, IntPtr tokenHandle) at forDNN.Modules.UsersExportImport.CommonController.GetMaxAllowedFileSize() at forDNN.Modules.UsersExportImport.MainControl.ExtraPageLoad() at forDNN.Modules.UsersExportImport.MainControl.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace ---