[0theghost0]

بالنسبة للحل انا قمت بتثبيت crystal report x86 بدل x64

والخطأ اختفى نهائيا

كود :

<?xml version="1.0"?>
<configuration>
   <configSections>
       <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
           <section name="Sales_and_Inventory_System.My.MySettings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
       </sectionGroup>
   </configSections>
   <connectionStrings>
       <add name="Sales_and_Inventory_System.My.MySettings.SIS_DBConnectionString1"
           connectionString="Data Source=.\SQLEXPRESS;Initial Catalog=SIS_DB;Integrated Security=True;MultipleActiveResultSets=True"
           providerName="System.Data.SqlClient" />
   </connectionStrings>
   <startup>
       <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
   </startup>
 <startup useLegacyV2RuntimeActivationPolicy="true">
   <supportedRuntime version="v4.0"/>
 </startup>
   <userSettings>
       <Sales_and_Inventory_System.My.MySettings>
           <setting name="checked" serializeAs="String">
               <value>False</value>
           </setting>
           <setting name="day" serializeAs="String">
               <value />
           </setting>
           <setting name="month" serializeAs="String">
               <value />
           </setting>
           <setting name="year" serializeAs="String">
               <value />
           </setting>
           <setting name="setting" serializeAs="String">
               <value />
           </setting>
       </Sales_and_Inventory_System.My.MySettings>
   </userSettings>
</configuration>