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After importing a Connected System object from one environment to another, the below error is thrown when attempting to authorize the Connected System:
The System Has Encountered an Error HTTP Code: 500 APNX-X-XXXX-XXX Error Evaluating UI Expression Expression evaluation error [evaluation ID = XXXXXXXX] : [valid:false,syntaxError:false,value:Expression evaluation error: An error occurred while executing a save: org.hibernate.NonUniqueResultException: query did not return a unique result: X]
This issue has been reported to the Appian Product Team. The reference number for this issue is AN-147907.
Delete the Connected System that fails to authorize and re-import it.
This article applies to Appian 18.1 and later.
Last Reviewed: January 2020
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