The user Activity Logs show an error: Unable to evaluate: ERROR: Parameter 1 of IF is not a boolean: (null). What is the root cause of the problem?
Usually, the error appears because the user does not have Field Level Security (FLS) of the checkbox fields in this validation rule.
To correct the error, an Admin user should do the following:
- Grant the user FLS to the specific field.
- Click the Refresh Validation Rule Data button in the Online Validation Rule Administration tab.
- Sync iRep to download the latest Offline Validation Rule data.
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