Flow price: --
d1c33c5d9488291035fc119e08fa619cb39c4a294c15784a8fa325fb37b22d45

Transaction

Hash: d1c33c5d9488291035fc119e08fa619cb39c4a294c15784a8fa325fb37b22d45
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d1c33c5d9488291035fc119e08fa619cb39c4a294c15784a8fa325fb37b22d45:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d1c33c5d9488291035fc119e08fa619cb39c4a294c15784a8fa325fb37b22d45
Status:
ERROR
Block height:
39987892
Block id:
8e8b7648547782fb2fa622605650fe32f6516c7e8963d3c8a8b694748e8fad6a
Timestamp:
Sunday 30 October 2022 at 12:55:02 UTC
()
Proposer:
Authorizers:
Gas used:
50