[Solved] Script-thrown exception installed Managed Package

SFDC_Beginner Asks: Script-thrown exception installed Managed Package
I Have integrated PayPal in my Project and used in Community which has been build as Managed Package. Now I trying to install this Managed Package in Another Org.

Installation was successfully done. I have enable Community and testing the PayPal integrations in installed ORG getting following error.

Code:
exceptionType: "System.UnexpectedException"
isUserDefinedException: false
message: "Script-thrown exception"

It’s working in Developed ORG. I Enabled the Debug log no much information available in Log.

Can anyone help me how to troubleshoot this kind of issues.

Thanks

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