Flow price: --
19cc1e136e1af3e5f5d1f9f0e7c23e0b8a13197c946b73aaf38a30c30cf03f01

Transaction

Hash: 19cc1e136e1af3e5f5d1f9f0e7c23e0b8a13197c946b73aaf38a30c30cf03f01
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19cc1e136e1af3e5f5d1f9f0e7c23e0b8a13197c946b73aaf38a30c30cf03f01:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19cc1e136e1af3e5f5d1f9f0e7c23e0b8a13197c946b73aaf38a30c30cf03f01
Status:
ERROR
Block height:
40044453
Block id:
c828973a8b1259f5fba70b693690c98fd13089532b32f43178f98b261773d060
Timestamp:
Monday 31 October 2022 at 11:31:58 UTC
()
Proposer:
Authorizers:
Gas used:
50