QUESTION:
What causes this error when finding matches or trying to process results in PeopleImport?
Error accessing data. Error: An exception occurred during the operation, making the result invalid. Check InnerException for exception details.
ANSWER:
When this error occurs in PeopleImport the most common cause is a loss of internet connectivity.
To confirm that connection loss is the cause, the PeopleImport log file should be reviewed to look for this error (Log file default location: \Documents\PeopleImportData\LogFiles):
INVALID_SESSION_ID: Invalid Session ID found in SessionHeader: Illegal Session. Session not found, missing session hash: 2WddLsZdVVoOkWQTBQTK/621BP/tMvDRT/VQN8pLl2I=<LF>This error usually occurs after a session expires or a user logs out.
RESOLUTION:
Log out and back in and ensure the internet connection is not lost.