SAP BPC Patch level issue

Hello Experts

We are using the following Component , Release & Level in our BI :

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Our Epm Add in Installed is SP 14 Patch 13 Net 3.50.

We are facing the below issue while refreshing the report:

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Can anyone let me know how to solve this issue.We think the issue is relating to patch level but not sure.

Regards

Gaurav