When processing reminders it is normal that errors occur and that the whole or the part of reminder should be cancelled. This should be possible in Business central.

Ideas Administrator

Thank you for your valuable feedback. We have decided to deliver this idea and make it available with Business Central 2019 release wave 2.  

Learn more about what's new and planned for Cancel reminders and finance charge memos in the release plan here: https://docs.microsoft.com/en-us/dynamics365-release-plan/2019wave2/dynamics365-business-central/cancel-issued-reminders-finance-charge-memos  

Your help was greatly appreciated,  
Ivan Koletic
PM, Microsoft