Flow price: --
2b2a3cd61ec2f51e639a4172ea0a5596d625b4ae6b7fed7e4e585fe5f01f5853

Transaction

Hash: 2b2a3cd61ec2f51e639a4172ea0a5596d625b4ae6b7fed7e4e585fe5f01f5853
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2b2a3cd61ec2f51e639a4172ea0a5596d625b4ae6b7fed7e4e585fe5f01f5853:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2b2a3cd61ec2f51e639a4172ea0a5596d625b4ae6b7fed7e4e585fe5f01f5853
Status:
ERROR
Block height:
39900607
Block id:
24eb652416188972c168c399ef12a79e0d0fcee2da64436c78671556c6b4b592
Timestamp:
Saturday 29 October 2022 at 02:00:51 UTC
()
Proposer:
Authorizers:
Gas used:
46