Context
System needs to validate user-entered data. It must be clarified what kind of inconsistencies can be recognized within the domain.
Trigger
User manually enters data into the system.
Acceptance Criteria
- System accepts consistent or correct data
- System rejects inconsistent or wrong data
- In case of inconsistent or wrong data, system displays appropriate messages that clearly explain the inconsistency or error
- Error messages are specific to the detected inconsistency type