Flow price: --
c563d6cfca9ab81700cdbcb18c0aba29f9756025bea328aca4e1141083dc1605

Transaction

Hash: c563d6cfca9ab81700cdbcb18c0aba29f9756025bea328aca4e1141083dc1605
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c563d6cfca9ab81700cdbcb18c0aba29f9756025bea328aca4e1141083dc1605:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c563d6cfca9ab81700cdbcb18c0aba29f9756025bea328aca4e1141083dc1605
Status:
ERROR
Block height:
39991107
Block id:
b763242f9ae7f7931a957a9aa9f15adeb0ab31e90667ba94f5814c68fdc91b45
Timestamp:
Sunday 30 October 2022 at 14:12:02 UTC
()
Proposer:
Authorizers:
Gas used:
46