It would really, help a lot if you could tell us which app is crashing and include the logs. Clover doesn't have any app called "display pole". Please give this a read https://community.clover.com/page/asking-questions and update your question.
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How to check Order for specific Item upon Payment Processed?
Order Total is not updating when I created custom item with negative price from clover sdk
Vaulted Card or token for future payments
Can we take user credit card information from our app and send it to clover payment app to process it for payment.