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control_error_-_class_not_registered [2019/01/27 11:28] (current)
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 +====== ​ ======
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 +
 +
 +===== Error Message =====
 +
 +
 +
 +Class is Not Registered when attempting to print a Crystal Report.
 +
 +
 +
 +===== Explanation of Error =====
 +
 +
 +
 +When Control tries to invoke Crystal Reports, it initiates a call to Windows to create an object of type (a.k.a. class) Crystal Report. This message is an error message from Windows telling the user that the class you are trying to create is not registered in the Registry and so it doesn'​t know how to create it.
 +
 +
 +
 +===== Severity =====
 +
 +**Normal**. User is not down and except for printing all functionality should work fine.
 +
 +
 +
 +===== Possible Root Cause(s) =====
 +  * The Crystal Report XI DLL's are not installed.
 +
 +
 +
 +===== Resolution =====
 +  - Please click this link to download [[http://​dl.cyriousasp.com/​Control/​Crystal_Reports_XI_Installation.zip|Crystal Reports XI Installation]]
 +  - Unzip the contents of the Crystal Reports XI Installation.zip file to the desktop of the computer encountering the error and run the extracted file to begin the install.
 +  - Repeat these steps for any of machines that are encountering this error.
 +
 +**Note:** The Crystal DLLs must be installed on each machine that gets this error (not just the server) since Crystal Reports is invoked locally.
 +
 +
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 +=====   =====
 +
 +
 +
 +===== Version Information =====
 +  * Reported : 6/26/2009
 +  * Version(s): 2.5, 3.x., 4.x, 5.x
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