ไปใช้ Crystal Runtime ver 20 หรือไม่ก็ถอด dll ออกแล้ว add ใหม่ครับ
https://wiki.scn.sap.com/wiki/display/BOBJ/Crystal+Reports%2C+Developer+for+Visual+Studio+Downloads
Below items should be highlight for SP21:
1. FlexNet and In-Place Upgrade does not work: Once user receive the update notification from FlexNet server and finish SP21 upgrade, the product will NOT work. User MUST repair CR4VS and CRRuntime64 in Control Panel\Programs\. That’s a by design change to installer.
a. Please notice that we are still facing problems on configuring FlexNet upgrade server, so currently user will NOT receive SP21 notification
2. Microsoft Windows Update KB2999226 is a prerequisite for SP21.
a. This is same as BI 4.2 SP4 and BI 4.1 SP10. Please refer to SAP Note 2451830.
3. For VS2017 integration, user needs use “run as Administrator” by right-clicking setup.exe, even if you are already log on by using Administrator account
4. As most of CR/RAS .NET Assemblies are now re-versioned from 13.0.2000.0 to 13.0.3500.0, user MUST remove all old CR assemblies from Reference list and add the new version of CR assemblies, then rebuild the application.