Flow price: --
0bee43162b6c2f4a6aba8e8a5b11d49b0bede6c3309ede9e6bec1264a1fe9165

Transaction

Hash: 0bee43162b6c2f4a6aba8e8a5b11d49b0bede6c3309ede9e6bec1264a1fe9165
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0bee43162b6c2f4a6aba8e8a5b11d49b0bede6c3309ede9e6bec1264a1fe9165:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0bee43162b6c2f4a6aba8e8a5b11d49b0bede6c3309ede9e6bec1264a1fe9165
Status:
ERROR
Block height:
39909730
Block id:
5e6722d47130b231fa553d6583c2ed386ac79e69989a8d03abb797e4ff7098ca
Timestamp:
Saturday 29 October 2022 at 05:38:57 UTC
()
Proposer:
Authorizers:
Gas used:
46