With the correct specifications for CSV imports, I tested one record for importing an issue.
Here is the CSV file:
Nummer;App;Issue Type;Summary;Extra informatie;Oplossing - Resultaat;Reporter
258272300;GIDSO;Improvement;Bijzondere status;x;;151449
The error in the logging is as follows:
2019-09-30 14:41:49,201 INFO - Importer started!
2019-09-30 14:41:49,202 INFO - Engine is running in Validation-only mode
2019-09-30 14:41:49,203 INFO - All issues will be imported to project: FuBeMO (FUBEMO)
2019-09-30 14:41:49,203 INFO - Creating issue: [externalId='72753', summary='Herziening autorisatiematrix']
2019-09-30 14:41:49,203 INFO - Issue does not have issue type selected, the affected issues will be created with default issue type [Story]
2019-09-30 14:41:49,206 ERROR - Issue can't be created due to the error/s [ Value is not a valid issue ]
2019-09-30 14:41:49,207 INFO - Creating issue: [externalId='72744', summary='Contract management beheer opzetten + additioneel onderhoud opstarten']
2019-09-30 14:41:49,207 INFO - Issue does not have issue type selected, the affected issues will be created with default issue type [Story]
2019-09-30 14:41:49,209 ERROR - Issue can't be created due to the error/s [ Value is not a valid issue ]
What is wrong in the CSV file?