Flow price: --
4c9b404e33e580949b6c99b7f1c5405c38746488ff4ae46d66a73750bece185c

Transaction

Hash: 4c9b404e33e580949b6c99b7f1c5405c38746488ff4ae46d66a73750bece185c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4c9b404e33e580949b6c99b7f1c5405c38746488ff4ae46d66a73750bece185c: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:
4c9b404e33e580949b6c99b7f1c5405c38746488ff4ae46d66a73750bece185c
Status:
ERROR
Block height:
40063383
Block id:
1c3090b3d2644bfa3c85b28ddf318790c0ede772635c2c5d4e30184beb281dc1
Timestamp:
Monday 31 October 2022 at 19:11:21 UTC
()
Proposer:
Authorizers:
Gas used:
49