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Timer job intiation error: SharePoint cannot deserialize an object of type

Posted By:      Posted Date: September 06, 2010    Points: 0   Category :SharePoint
Hi All, when i run a timer job (One-Time timer) it has added it to Timer Job definitions in the Central Administration. I have checked the Log file in 12 hive and found the following error..... "SharePoint cannot deserialize an object of type xyz.xyzJob, xyzTimer, Version=, Culture=neutral, PublicKeyToken=<token> on this machine. This typically occurs because the assembly containing this type is not installed on this machine. In this case, this message can be safely ignored. Otherwise, the assembly needs to be installed on this machine in a location that can be discovered by the .NET Framework." The above error says that the assembly is not added.... but it has been already added to the GAC. Can anyone guide me about the issue and how to resolve that........?

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